id	sid	tid	token	lemma	pos
www-nber-org-5678	1	1	The	the	DT
www-nber-org-5678	1	2	Economic	Economic	NNP
www-nber-org-5678	1	3	Limits	Limits	NNPS
www-nber-org-5678	1	4	of	of	IN
www-nber-org-5678	1	5	Bitcoin	Bitcoin	NNP
www-nber-org-5678	1	6	and	and	CC
www-nber-org-5678	1	7	the	the	DT
www-nber-org-5678	1	8	Blockchain	Blockchain	NNP
www-nber-org-5678	1	9	|	|	NNP
www-nber-org-5678	1	10	NBER	NBER	NNP
www-nber-org-5678	1	11	Skip	Skip	NNP
www-nber-org-5678	1	12	to	to	IN
www-nber-org-5678	1	13	main	main	JJ
www-nber-org-5678	1	14	content	content	NN
www-nber-org-5678	1	15	Subscribe	Subscribe	NNP
www-nber-org-5678	1	16	Media	Media	NNP
www-nber-org-5678	1	17	Open	Open	NNP
www-nber-org-5678	1	18	Calls	Calls	NNPS
www-nber-org-5678	1	19	Login	Login	NNP
www-nber-org-5678	1	20	Login	Login	NNP
www-nber-org-5678	1	21	Close	Close	NNP
www-nber-org-5678	1	22	Search	Search	NNP
www-nber-org-5678	1	23	Research	Research	NNP
www-nber-org-5678	1	24	EXPLORE	EXPLORE	NNP
www-nber-org-5678	1	25	Research	Research	NNP
www-nber-org-5678	1	26	Findings	Findings	NNPS
www-nber-org-5678	1	27	Working	Working	NNP
www-nber-org-5678	1	28	Papers	Papers	NNPS
www-nber-org-5678	1	29	Books	Books	NNPS
www-nber-org-5678	1	30	&	&	CC
www-nber-org-5678	1	31	Chapters	Chapters	NNPS
www-nber-org-5678	1	32	Lectures	Lectures	NNP
www-nber-org-5678	1	33	Interviews	Interviews	NNPS
www-nber-org-5678	1	34	Periodicals	periodical	NNS
www-nber-org-5678	1	35	The	the	DT
www-nber-org-5678	1	36	Digest	Digest	NNP
www-nber-org-5678	1	37	The	the	DT
www-nber-org-5678	1	38	Reporter	reporter	NN
www-nber-org-5678	1	39	The	the	DT
www-nber-org-5678	1	40	Bulletin	Bulletin	NNP
www-nber-org-5678	1	41	on	on	IN
www-nber-org-5678	1	42	Retirement	Retirement	NNP
www-nber-org-5678	1	43	and	and	CC
www-nber-org-5678	1	44	Disability	Disability	NNP
www-nber-org-5678	1	45	The	the	DT
www-nber-org-5678	1	46	Bulletin	Bulletin	NNP
www-nber-org-5678	1	47	on	on	IN
www-nber-org-5678	1	48	Health	Health	NNP
www-nber-org-5678	1	49	Periodicals	Periodicals	NNPS
www-nber-org-5678	1	50	Archive	Archive	NNP
www-nber-org-5678	1	51	Data	Data	NNP
www-nber-org-5678	1	52	&	&	CC
www-nber-org-5678	1	53	Business	Business	NNP
www-nber-org-5678	1	54	Cycles	Cycles	NNPS
www-nber-org-5678	1	55	Boston	Boston	NNP
www-nber-org-5678	1	56	Research	Research	NNP
www-nber-org-5678	1	57	Data	Data	NNP
www-nber-org-5678	1	58	Center	Center	NNP
www-nber-org-5678	1	59	Business	Business	NNP
www-nber-org-5678	1	60	Cycle	Cycle	NNP
www-nber-org-5678	1	61	Dating	Dating	NNP
www-nber-org-5678	1	62	Public	Public	NNP
www-nber-org-5678	1	63	Use	Use	NNP
www-nber-org-5678	1	64	Data	Data	NNP
www-nber-org-5678	1	65	Archive	Archive	NNP
www-nber-org-5678	1	66	Topics	Topics	NNPS
www-nber-org-5678	1	67	COVID-19	COVID-19	,
www-nber-org-5678	1	68	US	US	NNP
www-nber-org-5678	1	69	-	-	HYPH
www-nber-org-5678	1	70	China	China	NNP
www-nber-org-5678	1	71	Trade	Trade	NNP
www-nber-org-5678	1	72	Energy	Energy	NNP
www-nber-org-5678	1	73	Entrepreneurship	Entrepreneurship	NNP
www-nber-org-5678	1	74	Growth	Growth	NNP
www-nber-org-5678	1	75	and	and	CC
www-nber-org-5678	1	76	Productivity	Productivity	NNP
www-nber-org-5678	1	77	Programs	Programs	NNPS
www-nber-org-5678	1	78	&	&	CC
www-nber-org-5678	1	79	Projects	Projects	NNPS
www-nber-org-5678	1	80	EXPLORE	EXPLORE	NNP
www-nber-org-5678	1	81	Programs	Programs	NNPS
www-nber-org-5678	1	82	&	&	CC
www-nber-org-5678	1	83	Projects	Projects	NNPS
www-nber-org-5678	1	84	Programs	Programs	NNP
www-nber-org-5678	1	85	Economics	Economics	NNP
www-nber-org-5678	1	86	of	of	IN
www-nber-org-5678	1	87	Aging	age	VBG
www-nber-org-5678	1	88	Asset	Asset	NNP
www-nber-org-5678	1	89	Pricing	Pricing	NNP
www-nber-org-5678	1	90	Children	Children	NNP
www-nber-org-5678	1	91	Corporate	Corporate	NNP
www-nber-org-5678	1	92	Finance	Finance	NNP
www-nber-org-5678	1	93	Development	Development	NNP
www-nber-org-5678	1	94	Economics	Economics	NNP
www-nber-org-5678	1	95	Development	Development	NNP
www-nber-org-5678	1	96	of	of	IN
www-nber-org-5678	1	97	the	the	DT
www-nber-org-5678	1	98	American	american	JJ
www-nber-org-5678	1	99	Economy	Economy	NNP
www-nber-org-5678	1	100	Economic	Economic	NNP
www-nber-org-5678	1	101	Fluctuations	Fluctuations	NNPS
www-nber-org-5678	1	102	and	and	CC
www-nber-org-5678	1	103	Growth	Growth	NNP
www-nber-org-5678	1	104	Economics	Economics	NNP
www-nber-org-5678	1	105	of	of	IN
www-nber-org-5678	1	106	Education	Education	NNP
www-nber-org-5678	1	107	Environment	Environment	NNP
www-nber-org-5678	1	108	and	and	CC
www-nber-org-5678	1	109	Energy	Energy	NNP
www-nber-org-5678	1	110	Economics	Economics	NNP
www-nber-org-5678	1	111	Health	Health	NNP
www-nber-org-5678	1	112	Care	Care	NNP
www-nber-org-5678	1	113	Health	Health	NNP
www-nber-org-5678	1	114	Economics	Economics	NNP
www-nber-org-5678	1	115	Industrial	Industrial	NNP
www-nber-org-5678	1	116	Organization	Organization	NNP
www-nber-org-5678	1	117	International	International	NNP
www-nber-org-5678	1	118	Finance	Finance	NNP
www-nber-org-5678	1	119	and	and	CC
www-nber-org-5678	1	120	Macroeconomics	Macroeconomics	NNP
www-nber-org-5678	1	121	International	International	NNP
www-nber-org-5678	1	122	Trade	Trade	NNP
www-nber-org-5678	1	123	and	and	CC
www-nber-org-5678	1	124	Investment	Investment	NNP
www-nber-org-5678	1	125	Labor	Labor	NNP
www-nber-org-5678	1	126	Studies	Studies	NNPS
www-nber-org-5678	1	127	Law	Law	NNP
www-nber-org-5678	1	128	and	and	CC
www-nber-org-5678	1	129	Economics	Economics	NNP
www-nber-org-5678	1	130	Monetary	Monetary	NNP
www-nber-org-5678	1	131	Economics	Economics	NNP
www-nber-org-5678	1	132	Political	Political	NNP
www-nber-org-5678	1	133	Economy	Economy	NNP
www-nber-org-5678	1	134	Productivity	Productivity	NNP
www-nber-org-5678	1	135	,	,	,
www-nber-org-5678	1	136	Innovation	Innovation	NNP
www-nber-org-5678	1	137	,	,	,
www-nber-org-5678	1	138	and	and	CC
www-nber-org-5678	1	139	Entrepreneurship	Entrepreneurship	NNP
www-nber-org-5678	1	140	Public	Public	NNP
www-nber-org-5678	1	141	Economics	Economics	NNP
www-nber-org-5678	1	142	Working	Working	NNP
www-nber-org-5678	1	143	Groups	Groups	NNPS
www-nber-org-5678	1	144	Behavioral	Behavioral	NNP
www-nber-org-5678	1	145	Finance	Finance	NNP
www-nber-org-5678	1	146	Chinese	Chinese	NNP
www-nber-org-5678	1	147	Economy	Economy	NNP
www-nber-org-5678	1	148	Cohort	Cohort	NNP
www-nber-org-5678	1	149	Studies	Studies	NNPS
www-nber-org-5678	1	150	Economics	Economics	NNP
www-nber-org-5678	1	151	of	of	IN
www-nber-org-5678	1	152	Crime	Crime	NNP
www-nber-org-5678	1	153	Entrepreneurship	Entrepreneurship	NNP
www-nber-org-5678	1	154	Household	Household	NNP
www-nber-org-5678	1	155	Finance	Finance	NNP
www-nber-org-5678	1	156	Innovation	Innovation	NNP
www-nber-org-5678	1	157	Policy	Policy	NNP
www-nber-org-5678	1	158	Insurance	Insurance	NNP
www-nber-org-5678	1	159	Market	Market	NNP
www-nber-org-5678	1	160	Design	Design	NNP
www-nber-org-5678	1	161	Organizational	Organizational	NNP
www-nber-org-5678	1	162	Economics	Economics	NNP
www-nber-org-5678	1	163	Personnel	Personnel	NNP
www-nber-org-5678	1	164	Economics	Economics	NNP
www-nber-org-5678	1	165	Race	Race	NNP
www-nber-org-5678	1	166	and	and	CC
www-nber-org-5678	1	167	Stratification	Stratification	NNP
www-nber-org-5678	1	168	in	in	IN
www-nber-org-5678	1	169	the	the	DT
www-nber-org-5678	1	170	Economy	Economy	NNP
www-nber-org-5678	1	171	Risks	Risks	NNPS
www-nber-org-5678	1	172	of	of	IN
www-nber-org-5678	1	173	Financial	Financial	NNP
www-nber-org-5678	1	174	Institutions	Institutions	NNP
www-nber-org-5678	1	175	Urban	Urban	NNP
www-nber-org-5678	1	176	Economics	Economics	NNP
www-nber-org-5678	1	177	Projects	Projects	NNPS
www-nber-org-5678	1	178	&	&	CC
www-nber-org-5678	1	179	Centers	Centers	NNPS
www-nber-org-5678	1	180	Center	Center	NNP
www-nber-org-5678	1	181	for	for	IN
www-nber-org-5678	1	182	Aging	Aging	NNP
www-nber-org-5678	1	183	and	and	CC
www-nber-org-5678	1	184	Health	Health	NNP
www-nber-org-5678	1	185	Research	Research	NNP
www-nber-org-5678	1	186	Conference	Conference	NNP
www-nber-org-5678	1	187	on	on	IN
www-nber-org-5678	1	188	Econometrics	Econometrics	NNP
www-nber-org-5678	1	189	and	and	CC
www-nber-org-5678	1	190	Mathematical	Mathematical	NNP
www-nber-org-5678	1	191	Economics	Economics	NNP
www-nber-org-5678	1	192	Conference	Conference	NNP
www-nber-org-5678	1	193	on	on	IN
www-nber-org-5678	1	194	Research	Research	NNP
www-nber-org-5678	1	195	in	in	IN
www-nber-org-5678	1	196	Income	Income	NNP
www-nber-org-5678	1	197	and	and	CC
www-nber-org-5678	1	198	Wealth	Wealth	NNP
www-nber-org-5678	1	199	Economics	Economics	NNP
www-nber-org-5678	1	200	of	of	IN
www-nber-org-5678	1	201	Digitization	Digitization	NNP
www-nber-org-5678	1	202	Gender	Gender	NNP
www-nber-org-5678	1	203	in	in	IN
www-nber-org-5678	1	204	the	the	DT
www-nber-org-5678	1	205	Economy	Economy	NNP
www-nber-org-5678	1	206	Study	Study	NNP
www-nber-org-5678	1	207	Group	Group	NNP
www-nber-org-5678	1	208	Illinois	Illinois	NNP
www-nber-org-5678	1	209	Workplace	Workplace	NNP
www-nber-org-5678	1	210	Wellness	Wellness	NNP
www-nber-org-5678	1	211	Improving	Improving	NNP
www-nber-org-5678	1	212	Health	Health	NNP
www-nber-org-5678	1	213	Outcomes	Outcomes	NNPS
www-nber-org-5678	1	214	for	for	IN
www-nber-org-5678	1	215	an	an	DT
www-nber-org-5678	1	216	Aging	Aging	NNP
www-nber-org-5678	1	217	Population	Population	NNP
www-nber-org-5678	1	218	Macroeconomics	Macroeconomics	NNP
www-nber-org-5678	1	219	Annual	Annual	NNP
www-nber-org-5678	1	220	Measuring	Measuring	NNP
www-nber-org-5678	1	221	the	the	DT
www-nber-org-5678	1	222	Clinical	clinical	JJ
www-nber-org-5678	1	223	and	and	CC
www-nber-org-5678	1	224	Economic	Economic	NNP
www-nber-org-5678	1	225	Outcomes	Outcomes	NNPS
www-nber-org-5678	1	226	Associated	associate	VBN
www-nber-org-5678	1	227	with	with	IN
www-nber-org-5678	1	228	Delivery	Delivery	NNP
www-nber-org-5678	1	229	Systems	Systems	NNP
www-nber-org-5678	1	230	Oregon	Oregon	NNP
www-nber-org-5678	1	231	Health	Health	NNP
www-nber-org-5678	1	232	Insurance	Insurance	NNP
www-nber-org-5678	1	233	Experiment	Experiment	NNP
www-nber-org-5678	1	234	Retirement	Retirement	NNP
www-nber-org-5678	1	235	and	and	CC
www-nber-org-5678	1	236	Disability	Disability	NNP
www-nber-org-5678	1	237	Research	Research	NNP
www-nber-org-5678	1	238	Center	Center	NNP
www-nber-org-5678	1	239	The	the	DT
www-nber-org-5678	1	240	Roybal	Roybal	NNP
www-nber-org-5678	1	241	Center	Center	NNP
www-nber-org-5678	1	242	for	for	IN
www-nber-org-5678	1	243	Behavior	Behavior	NNP
www-nber-org-5678	1	244	Change	Change	NNP
www-nber-org-5678	1	245	in	in	IN
www-nber-org-5678	1	246	Health	Health	NNP
www-nber-org-5678	1	247	Satellite	Satellite	NNP
www-nber-org-5678	1	248	National	National	NNP
www-nber-org-5678	1	249	Health	Health	NNP
www-nber-org-5678	1	250	Accounts	Accounts	NNPS
www-nber-org-5678	1	251	Science	Science	NNP
www-nber-org-5678	1	252	of	of	IN
www-nber-org-5678	1	253	Science	Science	NNP
www-nber-org-5678	1	254	Funding	Funding	NNP
www-nber-org-5678	1	255	Training	Training	NNP
www-nber-org-5678	1	256	Program	Program	NNP
www-nber-org-5678	1	257	in	in	IN
www-nber-org-5678	1	258	Aging	Aging	NNP
www-nber-org-5678	1	259	and	and	CC
www-nber-org-5678	1	260	Health	Health	NNP
www-nber-org-5678	1	261	Economics	Economics	NNP
www-nber-org-5678	1	262	Transportation	Transportation	NNP
www-nber-org-5678	1	263	Economics	Economics	NNP
www-nber-org-5678	1	264	in	in	IN
www-nber-org-5678	1	265	the	the	DT
www-nber-org-5678	1	266	21st	21st	JJ
www-nber-org-5678	1	267	Century	Century	NNP
www-nber-org-5678	1	268	Union	Union	NNP
www-nber-org-5678	1	269	Army	Army	NNP
www-nber-org-5678	1	270	Data	Data	NNP
www-nber-org-5678	1	271	&	&	CC
www-nber-org-5678	1	272	Early	Early	NNP
www-nber-org-5678	1	273	Indicators	Indicators	NNPS
www-nber-org-5678	1	274	Value	Value	NNP
www-nber-org-5678	1	275	of	of	IN
www-nber-org-5678	1	276	Medical	Medical	NNP
www-nber-org-5678	1	277	Research	Research	NNP
www-nber-org-5678	1	278	Women	Women	NNPS
www-nber-org-5678	1	279	Working	work	VBG
www-nber-org-5678	1	280	Longer	long	JJR
www-nber-org-5678	1	281	Conferences	conference	VBZ
www-nber-org-5678	1	282	Affiliated	Affiliated	NNP
www-nber-org-5678	1	283	Scholars	Scholars	NNPS
www-nber-org-5678	1	284	NBER	NBER	NNP
www-nber-org-5678	1	285	News	News	NNP
www-nber-org-5678	1	286	EXPLORE	EXPLORE	NNP
www-nber-org-5678	1	287	NBER	NBER	NNP
www-nber-org-5678	1	288	News	News	NNP
www-nber-org-5678	1	289	Research	Research	NNP
www-nber-org-5678	1	290	in	in	IN
www-nber-org-5678	1	291	the	the	DT
www-nber-org-5678	1	292	News	News	NNP
www-nber-org-5678	1	293	Nobel	Nobel	NNP
www-nber-org-5678	1	294	Laureates	Laureates	NNP
www-nber-org-5678	1	295	Featured	Featured	NNP
www-nber-org-5678	1	296	Working	Working	NNP
www-nber-org-5678	1	297	Papers	Papers	NNPS
www-nber-org-5678	1	298	Archive	Archive	NNP
www-nber-org-5678	1	299	Career	Career	NNP
www-nber-org-5678	1	300	Resources	Resources	NNPS
www-nber-org-5678	1	301	EXPLORE	EXPLORE	NNP
www-nber-org-5678	1	302	Career	Career	NNP
www-nber-org-5678	1	303	Resources	Resources	NNPS
www-nber-org-5678	1	304	RA	RA	NNP
www-nber-org-5678	1	305	Positions	Positions	NNPS
www-nber-org-5678	1	306	–	–	:
www-nber-org-5678	1	307	not	not	RB
www-nber-org-5678	1	308	at	at	IN
www-nber-org-5678	1	309	the	the	DT
www-nber-org-5678	1	310	NBER	NBER	NNP
www-nber-org-5678	1	311	Calls	Calls	NNPS
www-nber-org-5678	1	312	for	for	IN
www-nber-org-5678	1	313	Fellowship	fellowship	NN
www-nber-org-5678	1	314	Applications	Applications	NNPS
www-nber-org-5678	1	315	PhD	phd	NN
www-nber-org-5678	1	316	Candidates	candidate	NNS
www-nber-org-5678	1	317	in	in	IN
www-nber-org-5678	1	318	Economics	Economics	NNP
www-nber-org-5678	1	319	About	about	IN
www-nber-org-5678	1	320	EXPLORE	EXPLORE	NNP
www-nber-org-5678	1	321	About	about	IN
www-nber-org-5678	1	322	Leadership	Leadership	NNP
www-nber-org-5678	1	323	&	&	CC
www-nber-org-5678	1	324	Governance	Governance	NNP
www-nber-org-5678	1	325	Support	Support	NNP
www-nber-org-5678	1	326	&	&	CC
www-nber-org-5678	1	327	Funding	Funding	NNP
www-nber-org-5678	1	328	History	history	NN
www-nber-org-5678	1	329	Standards	Standards	NNPS
www-nber-org-5678	1	330	of	of	IN
www-nber-org-5678	1	331	Conduct	Conduct	NNP
www-nber-org-5678	1	332	Privacy	Privacy	NNP
www-nber-org-5678	1	333	Policy	Policy	NNP
www-nber-org-5678	1	334	Staff	Staff	NNP
www-nber-org-5678	1	335	Employment	Employment	NNP
www-nber-org-5678	1	336	Opportunities	Opportunities	NNPS
www-nber-org-5678	1	337	at	at	IN
www-nber-org-5678	1	338	NBER	NBER	NNP
www-nber-org-5678	1	339	Subscribe	Subscribe	NNP
www-nber-org-5678	1	340	Media	Media	NNP
www-nber-org-5678	1	341	Open	Open	NNP
www-nber-org-5678	1	342	Calls	Calls	NNPS
www-nber-org-5678	1	343	Search	Search	NNP
www-nber-org-5678	1	344	Home	Home	NNP
www-nber-org-5678	1	345	Research	Research	NNP
www-nber-org-5678	1	346	Working	Working	NNP
www-nber-org-5678	1	347	Papers	Papers	NNPS
www-nber-org-5678	1	348	The	the	DT
www-nber-org-5678	1	349	Economic	Economic	NNP
www-nber-org-5678	1	350	Limits	Limits	NNPS
www-nber-org-5678	1	351	of	of	IN
www-nber-org-5678	1	352	Bitcoin	Bitcoin	NNP
www-nber-org-5678	1	353	and	and	CC
www-nber-org-5678	1	354	the	the	DT
www-nber-org-5678	1	355	…	…	NFP
www-nber-org-5678	1	356	The	the	DT
www-nber-org-5678	1	357	Economic	Economic	NNP
www-nber-org-5678	1	358	Limits	Limits	NNPS
www-nber-org-5678	1	359	of	of	IN
www-nber-org-5678	1	360	Bitcoin	Bitcoin	NNP
www-nber-org-5678	1	361	and	and	CC
www-nber-org-5678	1	362	the	the	DT
www-nber-org-5678	1	363	Blockchain	Blockchain	NNP
www-nber-org-5678	1	364	Eric	Eric	NNP
www-nber-org-5678	1	365	Budish	Budish	NNP
www-nber-org-5678	1	366	Share	Share	NNP
www-nber-org-5678	1	367	Twitter	twitter	NN
www-nber-org-5678	1	368	LinkedIn	LinkedIn	NNP
www-nber-org-5678	1	369	Email	email	NN
www-nber-org-5678	1	370	Working	Working	NNP
www-nber-org-5678	1	371	Paper	Paper	NNP
www-nber-org-5678	1	372	24717	24717	CD
www-nber-org-5678	1	373	DOI	DOI	NNP
www-nber-org-5678	1	374	10.3386	10.3386	CD
www-nber-org-5678	1	375	/	/	SYM
www-nber-org-5678	1	376	w24717	w24717	NN
www-nber-org-5678	1	377	Issue	Issue	NNP
www-nber-org-5678	1	378	Date	Date	NNP
www-nber-org-5678	1	379	June	June	NNP
www-nber-org-5678	1	380	2018	2018	CD
www-nber-org-5678	1	381	The	the	DT
www-nber-org-5678	1	382	amount	amount	NN
www-nber-org-5678	1	383	of	of	IN
www-nber-org-5678	1	384	computational	computational	JJ
www-nber-org-5678	1	385	power	power	NN
www-nber-org-5678	1	386	devoted	devote	VBN
www-nber-org-5678	1	387	to	to	IN
www-nber-org-5678	1	388	anonymous	anonymous	JJ
www-nber-org-5678	1	389	,	,	,
www-nber-org-5678	1	390	decentralized	decentralized	JJ
www-nber-org-5678	1	391	blockchains	blockchain	NNS
www-nber-org-5678	1	392	such	such	JJ
www-nber-org-5678	1	393	as	as	IN
www-nber-org-5678	1	394	Bitcoin	Bitcoin	NNP
www-nber-org-5678	1	395	's	's	POS
www-nber-org-5678	1	396	must	must	MD
www-nber-org-5678	1	397	simultaneously	simultaneously	RB
www-nber-org-5678	1	398	satisfy	satisfy	VB
www-nber-org-5678	1	399	two	two	CD
www-nber-org-5678	1	400	conditions	condition	NNS
www-nber-org-5678	1	401	in	in	IN
www-nber-org-5678	1	402	equilibrium	equilibrium	NN
www-nber-org-5678	1	403	:	:	:
www-nber-org-5678	1	404	(	(	-LRB-
www-nber-org-5678	1	405	1	1	LS
www-nber-org-5678	1	406	)	)	-RRB-
www-nber-org-5678	1	407	a	a	DT
www-nber-org-5678	1	408	zero	zero	CD
www-nber-org-5678	1	409	-	-	HYPH
www-nber-org-5678	1	410	profit	profit	NN
www-nber-org-5678	1	411	condition	condition	NN
www-nber-org-5678	1	412	among	among	IN
www-nber-org-5678	1	413	miners	miner	NNS
www-nber-org-5678	1	414	,	,	,
www-nber-org-5678	1	415	who	who	WP
www-nber-org-5678	1	416	engage	engage	VBP
www-nber-org-5678	1	417	in	in	IN
www-nber-org-5678	1	418	a	a	DT
www-nber-org-5678	1	419	rent	rent	NN
www-nber-org-5678	1	420	-	-	HYPH
www-nber-org-5678	1	421	seeking	seek	VBG
www-nber-org-5678	1	422	competition	competition	NN
www-nber-org-5678	1	423	for	for	IN
www-nber-org-5678	1	424	the	the	DT
www-nber-org-5678	1	425	prize	prize	NN
www-nber-org-5678	1	426	associated	associate	VBN
www-nber-org-5678	1	427	with	with	IN
www-nber-org-5678	1	428	adding	add	VBG
www-nber-org-5678	1	429	the	the	DT
www-nber-org-5678	1	430	next	next	JJ
www-nber-org-5678	1	431	block	block	NN
www-nber-org-5678	1	432	to	to	IN
www-nber-org-5678	1	433	the	the	DT
www-nber-org-5678	1	434	chain	chain	NN
www-nber-org-5678	1	435	;	;	:
www-nber-org-5678	1	436	and	and	CC
www-nber-org-5678	1	437	(	(	-LRB-
www-nber-org-5678	1	438	2	2	LS
www-nber-org-5678	1	439	)	)	-RRB-
www-nber-org-5678	1	440	an	an	DT
www-nber-org-5678	1	441	incentive	incentive	NN
www-nber-org-5678	1	442	compatibility	compatibility	NN
www-nber-org-5678	1	443	condition	condition	NN
www-nber-org-5678	1	444	on	on	IN
www-nber-org-5678	1	445	the	the	DT
www-nber-org-5678	1	446	system	system	NN
www-nber-org-5678	1	447	's	's	POS
www-nber-org-5678	1	448	vulnerability	vulnerability	NN
www-nber-org-5678	1	449	to	to	IN
www-nber-org-5678	1	450	a	a	DT
www-nber-org-5678	1	451	“	"	``
www-nber-org-5678	1	452	majority	majority	NN
www-nber-org-5678	1	453	attack	attack	NN
www-nber-org-5678	1	454	”	"	''
www-nber-org-5678	1	455	,	,	,
www-nber-org-5678	1	456	namely	namely	RB
www-nber-org-5678	1	457	that	that	IN
www-nber-org-5678	1	458	the	the	DT
www-nber-org-5678	1	459	computational	computational	JJ
www-nber-org-5678	1	460	costs	cost	NNS
www-nber-org-5678	1	461	of	of	IN
www-nber-org-5678	1	462	such	such	PDT
www-nber-org-5678	1	463	an	an	DT
www-nber-org-5678	1	464	attack	attack	NN
www-nber-org-5678	1	465	must	must	MD
www-nber-org-5678	1	466	exceed	exceed	VB
www-nber-org-5678	1	467	the	the	DT
www-nber-org-5678	1	468	benefits	benefit	NNS
www-nber-org-5678	1	469	.	.	.
www-nber-org-5678	2	1	Together	together	RB
www-nber-org-5678	2	2	,	,	,
www-nber-org-5678	2	3	these	these	DT
www-nber-org-5678	2	4	two	two	CD
www-nber-org-5678	2	5	equations	equation	NNS
www-nber-org-5678	2	6	imply	imply	VBP
www-nber-org-5678	2	7	that	that	IN
www-nber-org-5678	2	8	(	(	-LRB-
www-nber-org-5678	2	9	3	3	LS
www-nber-org-5678	2	10	)	)	-RRB-
www-nber-org-5678	2	11	the	the	DT
www-nber-org-5678	2	12	recurring	recurring	NN
www-nber-org-5678	2	13	,	,	,
www-nber-org-5678	2	14	“	"	``
www-nber-org-5678	2	15	flow	flow	NN
www-nber-org-5678	2	16	”	"	''
www-nber-org-5678	2	17	,	,	,
www-nber-org-5678	2	18	payments	payment	NNS
www-nber-org-5678	2	19	to	to	IN
www-nber-org-5678	2	20	miners	miner	NNS
www-nber-org-5678	2	21	for	for	IN
www-nber-org-5678	2	22	running	run	VBG
www-nber-org-5678	2	23	the	the	DT
www-nber-org-5678	2	24	blockchain	blockchain	NN
www-nber-org-5678	2	25	must	must	MD
www-nber-org-5678	2	26	be	be	VB
www-nber-org-5678	2	27	large	large	JJ
www-nber-org-5678	2	28	relative	relative	JJ
www-nber-org-5678	2	29	to	to	IN
www-nber-org-5678	2	30	the	the	DT
www-nber-org-5678	2	31	one	one	CD
www-nber-org-5678	2	32	-	-	HYPH
www-nber-org-5678	2	33	off	off	NN
www-nber-org-5678	2	34	,	,	,
www-nber-org-5678	2	35	“	"	``
www-nber-org-5678	2	36	stock	stock	NN
www-nber-org-5678	2	37	”	"	''
www-nber-org-5678	2	38	,	,	,
www-nber-org-5678	2	39	benefits	benefit	NNS
www-nber-org-5678	2	40	of	of	IN
www-nber-org-5678	2	41	attacking	attack	VBG
www-nber-org-5678	2	42	it	-PRON-	PRP
www-nber-org-5678	2	43	.	.	.
www-nber-org-5678	3	1	This	this	DT
www-nber-org-5678	3	2	is	be	VBZ
www-nber-org-5678	3	3	very	very	RB
www-nber-org-5678	3	4	expensive	expensive	JJ
www-nber-org-5678	3	5	!	!	.
www-nber-org-5678	4	1	The	the	DT
www-nber-org-5678	4	2	constraint	constraint	NN
www-nber-org-5678	4	3	is	be	VBZ
www-nber-org-5678	4	4	softer	soft	JJR
www-nber-org-5678	4	5	(	(	-LRB-
www-nber-org-5678	4	6	i.e.	i.e.	FW
www-nber-org-5678	4	7	,	,	,
www-nber-org-5678	4	8	stock	stock	NN
www-nber-org-5678	4	9	versus	versus	IN
www-nber-org-5678	4	10	stock	stock	NN
www-nber-org-5678	4	11	)	)	-RRB-
www-nber-org-5678	4	12	if	if	IN
www-nber-org-5678	4	13	both	both	DT
www-nber-org-5678	4	14	(	(	-LRB-
www-nber-org-5678	4	15	i	i	NN
www-nber-org-5678	4	16	)	)	-RRB-
www-nber-org-5678	4	17	the	the	DT
www-nber-org-5678	4	18	mining	mining	NN
www-nber-org-5678	4	19	technology	technology	NN
www-nber-org-5678	4	20	used	use	VBN
www-nber-org-5678	4	21	to	to	TO
www-nber-org-5678	4	22	run	run	VB
www-nber-org-5678	4	23	the	the	DT
www-nber-org-5678	4	24	blockchain	blockchain	NN
www-nber-org-5678	4	25	is	be	VBZ
www-nber-org-5678	4	26	both	both	CC
www-nber-org-5678	4	27	scarce	scarce	JJ
www-nber-org-5678	4	28	and	and	CC
www-nber-org-5678	4	29	non	non	JJ
www-nber-org-5678	4	30	-	-	JJ
www-nber-org-5678	4	31	repurposable	repurposable	JJ
www-nber-org-5678	4	32	,	,	,
www-nber-org-5678	4	33	and	and	CC
www-nber-org-5678	4	34	(	(	-LRB-
www-nber-org-5678	4	35	ii	ii	LS
www-nber-org-5678	4	36	)	)	-RRB-
www-nber-org-5678	4	37	any	any	DT
www-nber-org-5678	4	38	majority	majority	NN
www-nber-org-5678	4	39	attack	attack	NN
www-nber-org-5678	4	40	is	be	VBZ
www-nber-org-5678	4	41	a	a	DT
www-nber-org-5678	4	42	“	"	``
www-nber-org-5678	4	43	sabotage	sabotage	NN
www-nber-org-5678	4	44	”	"	''
www-nber-org-5678	4	45	in	in	IN
www-nber-org-5678	4	46	that	that	IN
www-nber-org-5678	4	47	it	-PRON-	PRP
www-nber-org-5678	4	48	causes	cause	VBZ
www-nber-org-5678	4	49	a	a	DT
www-nber-org-5678	4	50	collapse	collapse	NN
www-nber-org-5678	4	51	in	in	IN
www-nber-org-5678	4	52	the	the	DT
www-nber-org-5678	4	53	economic	economic	JJ
www-nber-org-5678	4	54	value	value	NN
www-nber-org-5678	4	55	of	of	IN
www-nber-org-5678	4	56	the	the	DT
www-nber-org-5678	4	57	blockchain	blockchain	NN
www-nber-org-5678	4	58	;	;	:
www-nber-org-5678	4	59	however	however	RB
www-nber-org-5678	4	60	,	,	,
www-nber-org-5678	4	61	reliance	reliance	NN
www-nber-org-5678	4	62	on	on	IN
www-nber-org-5678	4	63	non	non	JJ
www-nber-org-5678	4	64	-	-	JJ
www-nber-org-5678	4	65	repurposable	repurposable	JJ
www-nber-org-5678	4	66	technology	technology	NN
www-nber-org-5678	4	67	for	for	IN
www-nber-org-5678	4	68	security	security	NN
www-nber-org-5678	4	69	and	and	CC
www-nber-org-5678	4	70	vulnerability	vulnerability	NN
www-nber-org-5678	4	71	to	to	TO
www-nber-org-5678	4	72	sabotage	sabotage	VB
www-nber-org-5678	4	73	each	each	DT
www-nber-org-5678	4	74	raise	raise	VB
www-nber-org-5678	4	75	their	-PRON-	PRP$
www-nber-org-5678	4	76	own	own	JJ
www-nber-org-5678	4	77	concerns	concern	NNS
www-nber-org-5678	4	78	,	,	,
www-nber-org-5678	4	79	and	and	CC
www-nber-org-5678	4	80	point	point	NN
www-nber-org-5678	4	81	to	to	IN
www-nber-org-5678	4	82	specific	specific	JJ
www-nber-org-5678	4	83	collapse	collapse	NN
www-nber-org-5678	4	84	scenarios	scenario	NNS
www-nber-org-5678	4	85	.	.	.
www-nber-org-5678	5	1	In	in	IN
www-nber-org-5678	5	2	particular	particular	JJ
www-nber-org-5678	5	3	,	,	,
www-nber-org-5678	5	4	the	the	DT
www-nber-org-5678	5	5	model	model	NN
www-nber-org-5678	5	6	suggests	suggest	VBZ
www-nber-org-5678	5	7	that	that	IN
www-nber-org-5678	5	8	Bitcoin	Bitcoin	NNP
www-nber-org-5678	5	9	would	would	MD
www-nber-org-5678	5	10	be	be	VB
www-nber-org-5678	5	11	majority	majority	NN
www-nber-org-5678	5	12	attacked	attack	VBN
www-nber-org-5678	5	13	if	if	IN
www-nber-org-5678	5	14	it	-PRON-	PRP
www-nber-org-5678	5	15	became	become	VBD
www-nber-org-5678	5	16	sufficiently	sufficiently	RB
www-nber-org-5678	5	17	economically	economically	RB
www-nber-org-5678	5	18	important	important	JJ
www-nber-org-5678	5	19	—	—	:
www-nber-org-5678	5	20	e.g.	e.g.	RB
www-nber-org-5678	5	21	,	,	,
www-nber-org-5678	5	22	if	if	IN
www-nber-org-5678	5	23	it	-PRON-	PRP
www-nber-org-5678	5	24	became	become	VBD
www-nber-org-5678	5	25	a	a	DT
www-nber-org-5678	5	26	“	"	``
www-nber-org-5678	5	27	store	store	NN
www-nber-org-5678	5	28	of	of	IN
www-nber-org-5678	5	29	value	value	NN
www-nber-org-5678	5	30	”	"	''
www-nber-org-5678	5	31	akin	akin	JJ
www-nber-org-5678	5	32	to	to	IN
www-nber-org-5678	5	33	gold	gold	NN
www-nber-org-5678	5	34	—	—	:
www-nber-org-5678	5	35	which	which	WDT
www-nber-org-5678	5	36	suggests	suggest	VBZ
www-nber-org-5678	5	37	that	that	IN
www-nber-org-5678	5	38	there	there	EX
www-nber-org-5678	5	39	are	be	VBP
www-nber-org-5678	5	40	intrinsic	intrinsic	JJ
www-nber-org-5678	5	41	economic	economic	JJ
www-nber-org-5678	5	42	limits	limit	NNS
www-nber-org-5678	5	43	to	to	IN
www-nber-org-5678	5	44	how	how	WRB
www-nber-org-5678	5	45	economically	economically	RB
www-nber-org-5678	5	46	important	important	JJ
www-nber-org-5678	5	47	it	-PRON-	PRP
www-nber-org-5678	5	48	can	can	MD
www-nber-org-5678	5	49	become	become	VB
www-nber-org-5678	5	50	in	in	IN
www-nber-org-5678	5	51	the	the	DT
www-nber-org-5678	5	52	first	first	JJ
www-nber-org-5678	5	53	place	place	NN
www-nber-org-5678	5	54	.	.	.
www-nber-org-5678	6	1	Acknowledgements	acknowledgement	NNS
www-nber-org-5678	6	2	and	and	CC
www-nber-org-5678	6	3	Disclosures	Disclosures	NNP
www-nber-org-5678	6	4	Project	Project	NNP
www-nber-org-5678	6	5	start	start	VB
www-nber-org-5678	6	6	date	date	NN
www-nber-org-5678	6	7	:	:	:
www-nber-org-5678	6	8	Feb	Feb	NNP
www-nber-org-5678	6	9	18	18	CD
www-nber-org-5678	6	10	,	,	,
www-nber-org-5678	6	11	2018	2018	CD
www-nber-org-5678	6	12	.	.	.
www-nber-org-5678	7	1	First	first	JJ
www-nber-org-5678	7	2	public	public	JJ
www-nber-org-5678	7	3	draft	draft	NN
www-nber-org-5678	7	4	:	:	:
www-nber-org-5678	7	5	May	May	NNP
www-nber-org-5678	7	6	3	3	CD
www-nber-org-5678	7	7	,	,	,
www-nber-org-5678	7	8	2018	2018	CD
www-nber-org-5678	7	9	.	.	.
www-nber-org-5678	8	1	For	for	IN
www-nber-org-5678	8	2	the	the	DT
www-nber-org-5678	8	3	record	record	NN
www-nber-org-5678	8	4	,	,	,
www-nber-org-5678	8	5	the	the	DT
www-nber-org-5678	8	6	first	first	JJ
www-nber-org-5678	8	7	large	large	JJ
www-nber-org-5678	8	8	-	-	HYPH
www-nber-org-5678	8	9	stakes	stake	NNS
www-nber-org-5678	8	10	majority	majority	NN
www-nber-org-5678	8	11	attack	attack	NN
www-nber-org-5678	8	12	of	of	IN
www-nber-org-5678	8	13	a	a	DT
www-nber-org-5678	8	14	well	well	RB
www-nber-org-5678	8	15	-	-	HYPH
www-nber-org-5678	8	16	known	know	VBN
www-nber-org-5678	8	17	cryptocurrency	cryptocurrency	NN
www-nber-org-5678	8	18	,	,	,
www-nber-org-5678	8	19	the	the	DT
www-nber-org-5678	8	20	$	$	$
www-nber-org-5678	8	21	18	18	CD
www-nber-org-5678	8	22	M	m	NN
www-nber-org-5678	8	23	attack	attack	NN
www-nber-org-5678	8	24	on	on	IN
www-nber-org-5678	8	25	Bitcoin	Bitcoin	NNP
www-nber-org-5678	8	26	Gold	Gold	NNP
www-nber-org-5678	8	27	,	,	,
www-nber-org-5678	8	28	occurred	occur	VBD
www-nber-org-5678	8	29	a	a	DT
www-nber-org-5678	8	30	few	few	JJ
www-nber-org-5678	8	31	weeks	week	NNS
www-nber-org-5678	8	32	later	later	RB
www-nber-org-5678	8	33	in	in	IN
www-nber-org-5678	8	34	mid	mid	NNP
www-nber-org-5678	8	35	-	-	NNP
www-nber-org-5678	8	36	May	May	NNP
www-nber-org-5678	8	37	2018	2018	CD
www-nber-org-5678	8	38	(	(	-LRB-
www-nber-org-5678	8	39	Wilmoth	Wilmoth	NNP
www-nber-org-5678	8	40	,	,	,
www-nber-org-5678	8	41	2018	2018	CD
www-nber-org-5678	8	42	;	;	:
www-nber-org-5678	8	43	Wong	Wong	NNP
www-nber-org-5678	8	44	,	,	,
www-nber-org-5678	8	45	2018	2018	CD
www-nber-org-5678	8	46	)	)	-RRB-
www-nber-org-5678	8	47	.	.	.
www-nber-org-5678	9	1	Acknowledgments	acknowledgment	NNS
www-nber-org-5678	9	2	:	:	:
www-nber-org-5678	9	3	Thanks	thank	NNS
www-nber-org-5678	9	4	are	be	VBP
www-nber-org-5678	9	5	due	due	JJ
www-nber-org-5678	9	6	to	to	IN
www-nber-org-5678	9	7	Susan	Susan	NNP
www-nber-org-5678	9	8	Athey	Athey	NNP
www-nber-org-5678	9	9	,	,	,
www-nber-org-5678	9	10	Vitalik	Vitalik	NNP
www-nber-org-5678	9	11	Buterin	Buterin	NNP
www-nber-org-5678	9	12	,	,	,
www-nber-org-5678	9	13	Alex	Alex	NNP
www-nber-org-5678	9	14	Frankel	Frankel	NNP
www-nber-org-5678	9	15	,	,	,
www-nber-org-5678	9	16	Joshua	Joshua	NNP
www-nber-org-5678	9	17	Gans	Gans	NNPS
www-nber-org-5678	9	18	,	,	,
www-nber-org-5678	9	19	Austan	Austan	NNP
www-nber-org-5678	9	20	Goolsbee	Goolsbee	NNP
www-nber-org-5678	9	21	,	,	,
www-nber-org-5678	9	22	Zhiguo	Zhiguo	NNP
www-nber-org-5678	9	23	He	He	NNP
www-nber-org-5678	9	24	,	,	,
www-nber-org-5678	9	25	Joi	Joi	NNP
www-nber-org-5678	9	26	Ito	Ito	NNP
www-nber-org-5678	9	27	,	,	,
www-nber-org-5678	9	28	Steve	Steve	NNP
www-nber-org-5678	9	29	Kaplan	Kaplan	NNP
www-nber-org-5678	9	30	,	,	,
www-nber-org-5678	9	31	Anil	Anil	NNP
www-nber-org-5678	9	32	Kashyap	Kashyap	NNP
www-nber-org-5678	9	33	,	,	,
www-nber-org-5678	9	34	Judd	Judd	NNP
www-nber-org-5678	9	35	Kessler	Kessler	NNP
www-nber-org-5678	9	36	,	,	,
www-nber-org-5678	9	37	Randall	Randall	NNP
www-nber-org-5678	9	38	Kroszner	Kroszner	NNP
www-nber-org-5678	9	39	,	,	,
www-nber-org-5678	9	40	Robin	Robin	NNP
www-nber-org-5678	9	41	Lee	Lee	NNP
www-nber-org-5678	9	42	,	,	,
www-nber-org-5678	9	43	Jacob	Jacob	NNP
www-nber-org-5678	9	44	Leshno	Leshno	NNP
www-nber-org-5678	9	45	,	,	,
www-nber-org-5678	9	46	Neale	Neale	NNP
www-nber-org-5678	9	47	Mahoney	Mahoney	NNP
www-nber-org-5678	9	48	,	,	,
www-nber-org-5678	9	49	Sendhil	Sendhil	NNP
www-nber-org-5678	9	50	Mullainathan	Mullainathan	NNP
www-nber-org-5678	9	51	,	,	,
www-nber-org-5678	9	52	David	David	NNP
www-nber-org-5678	9	53	Parkes	Parkes	NNP
www-nber-org-5678	9	54	,	,	,
www-nber-org-5678	9	55	John	John	NNP
www-nber-org-5678	9	56	Shim	Shim	NNP
www-nber-org-5678	9	57	,	,	,
www-nber-org-5678	9	58	Scott	Scott	NNP
www-nber-org-5678	9	59	Stornetta	Stornetta	NNP
www-nber-org-5678	9	60	,	,	,
www-nber-org-5678	9	61	Aviv	Aviv	NNP
www-nber-org-5678	9	62	Zohar	Zohar	NNP
www-nber-org-5678	9	63	,	,	,
www-nber-org-5678	9	64	and	and	CC
www-nber-org-5678	9	65	seminar	seminar	NN
www-nber-org-5678	9	66	participants	participant	NNS
www-nber-org-5678	9	67	at	at	IN
www-nber-org-5678	9	68	Chicago	Chicago	NNP
www-nber-org-5678	9	69	Booth	Booth	NNP
www-nber-org-5678	9	70	and	and	CC
www-nber-org-5678	9	71	the	the	DT
www-nber-org-5678	9	72	MIT	MIT	NNP
www-nber-org-5678	9	73	Digital	Digital	NNP
www-nber-org-5678	9	74	Currency	Currency	NNP
www-nber-org-5678	9	75	Initiative	Initiative	NNP
www-nber-org-5678	9	76	.	.	.
www-nber-org-5678	10	1	Natalia	Natalia	NNP
www-nber-org-5678	10	2	Drozdoff	Drozdoff	NNP
www-nber-org-5678	10	3	and	and	CC
www-nber-org-5678	10	4	Matthew	Matthew	NNP
www-nber-org-5678	10	5	O'Keefe	O'Keefe	NNP
www-nber-org-5678	10	6	have	have	VBP
www-nber-org-5678	10	7	provided	provide	VBN
www-nber-org-5678	10	8	excellent	excellent	JJ
www-nber-org-5678	10	9	research	research	NN
www-nber-org-5678	10	10	assistance	assistance	NN
www-nber-org-5678	10	11	.	.	.
www-nber-org-5678	11	1	Disclosure	disclosure	NN
www-nber-org-5678	11	2	:	:	:
www-nber-org-5678	11	3	I	-PRON-	PRP
www-nber-org-5678	11	4	do	do	VBP
www-nber-org-5678	11	5	not	not	RB
www-nber-org-5678	11	6	have	have	VB
www-nber-org-5678	11	7	any	any	DT
www-nber-org-5678	11	8	financial	financial	JJ
www-nber-org-5678	11	9	interests	interest	NNS
www-nber-org-5678	11	10	in	in	IN
www-nber-org-5678	11	11	blockchain	blockchain	JJ
www-nber-org-5678	11	12	companies	company	NNS
www-nber-org-5678	11	13	or	or	CC
www-nber-org-5678	11	14	cryptocurrencies	cryptocurrencie	NNS
www-nber-org-5678	11	15	,	,	,
www-nber-org-5678	11	16	either	either	CC
www-nber-org-5678	11	17	long	long	JJ
www-nber-org-5678	11	18	or	or	CC
www-nber-org-5678	11	19	short	short	JJ
www-nber-org-5678	11	20	.	.	.
www-nber-org-5678	12	1	The	the	DT
www-nber-org-5678	12	2	views	view	NNS
www-nber-org-5678	12	3	expressed	express	VBD
www-nber-org-5678	12	4	herein	herein	NNP
www-nber-org-5678	12	5	are	be	VBP
www-nber-org-5678	12	6	those	those	DT
www-nber-org-5678	12	7	of	of	IN
www-nber-org-5678	12	8	the	the	DT
www-nber-org-5678	12	9	author	author	NN
www-nber-org-5678	12	10	and	and	CC
www-nber-org-5678	12	11	do	do	VBP
www-nber-org-5678	12	12	not	not	RB
www-nber-org-5678	12	13	necessarily	necessarily	RB
www-nber-org-5678	12	14	reflect	reflect	VB
www-nber-org-5678	12	15	the	the	DT
www-nber-org-5678	12	16	views	view	NNS
www-nber-org-5678	12	17	of	of	IN
www-nber-org-5678	12	18	the	the	DT
www-nber-org-5678	12	19	National	National	NNP
www-nber-org-5678	12	20	Bureau	Bureau	NNP
www-nber-org-5678	12	21	of	of	IN
www-nber-org-5678	12	22	Economic	Economic	NNP
www-nber-org-5678	12	23	Research	Research	NNP
www-nber-org-5678	12	24	.	.	.
www-nber-org-5678	13	1	Download	Download	NNP
www-nber-org-5678	13	2	Citation	Citation	NNP
www-nber-org-5678	13	3	MARC	MARC	NNP
www-nber-org-5678	13	4	RIS	RIS	NNP
www-nber-org-5678	13	5	BibTeΧ	BibTeΧ	NNP
www-nber-org-5678	13	6	Download	Download	NNP
www-nber-org-5678	13	7	Citation	Citation	NNP
www-nber-org-5678	13	8	Data	Data	NNP
www-nber-org-5678	13	9	Related	Related	NNP
www-nber-org-5678	13	10	Topics	Topics	NNPS
www-nber-org-5678	13	11	Other	Other	NNP
www-nber-org-5678	13	12	General	General	NNP
www-nber-org-5678	13	13	,	,	,
www-nber-org-5678	13	14	Teaching	Teaching	NNP
www-nber-org-5678	13	15	Microeconomics	Microeconomics	NNP
www-nber-org-5678	13	16	Market	Market	NNP
www-nber-org-5678	13	17	Structure	Structure	NNP
www-nber-org-5678	13	18	and	and	CC
www-nber-org-5678	13	19	Distribution	Distribution	NNP
www-nber-org-5678	13	20	General	General	NNP
www-nber-org-5678	13	21	Equilibrium	Equilibrium	NNP
www-nber-org-5678	13	22	Macroeconomics	Macroeconomics	NNP
www-nber-org-5678	13	23	Money	Money	NNP
www-nber-org-5678	13	24	and	and	CC
www-nber-org-5678	13	25	Interest	Interest	NNP
www-nber-org-5678	13	26	Rates	Rates	NNPS
www-nber-org-5678	13	27	Financial	Financial	NNP
www-nber-org-5678	13	28	Economics	Economics	NNP
www-nber-org-5678	13	29	Financial	Financial	NNP
www-nber-org-5678	13	30	Markets	Markets	NNPS
www-nber-org-5678	13	31	Portfolio	Portfolio	NNP
www-nber-org-5678	13	32	Selection	Selection	NNP
www-nber-org-5678	13	33	and	and	CC
www-nber-org-5678	13	34	Asset	Asset	NNP
www-nber-org-5678	13	35	Pricing	Pricing	NNP
www-nber-org-5678	13	36	Financial	Financial	NNP
www-nber-org-5678	13	37	Institutions	Institutions	NNPS
www-nber-org-5678	13	38	Behavioral	Behavioral	NNP
www-nber-org-5678	13	39	Finance	Finance	NNP
www-nber-org-5678	13	40	Industrial	Industrial	NNP
www-nber-org-5678	13	41	Organization	Organization	NNP
www-nber-org-5678	13	42	Industry	Industry	NNP
www-nber-org-5678	13	43	Studies	Studies	NNPS
www-nber-org-5678	13	44	Culture	Culture	NNP
www-nber-org-5678	13	45	Programs	Programs	NNP
www-nber-org-5678	13	46	Asset	Asset	NNP
www-nber-org-5678	13	47	Pricing	Pricing	NNP
www-nber-org-5678	13	48	Corporate	Corporate	NNP
www-nber-org-5678	13	49	Finance	Finance	NNP
www-nber-org-5678	13	50	Industrial	Industrial	NNP
www-nber-org-5678	13	51	Organization	Organization	NNP
www-nber-org-5678	13	52	Monetary	Monetary	NNP
www-nber-org-5678	13	53	Economics	Economics	NNP
www-nber-org-5678	13	54	Productivity	Productivity	NNP
www-nber-org-5678	13	55	,	,	,
www-nber-org-5678	13	56	Innovation	Innovation	NNP
www-nber-org-5678	13	57	,	,	,
www-nber-org-5678	13	58	and	and	CC
www-nber-org-5678	13	59	Entrepreneurship	Entrepreneurship	NNP
www-nber-org-5678	13	60	Working	Working	NNP
www-nber-org-5678	13	61	Groups	Groups	NNPS
www-nber-org-5678	13	62	Entrepreneurship	Entrepreneurship	NNP
www-nber-org-5678	13	63	Risks	risk	NNS
www-nber-org-5678	13	64	of	of	IN
www-nber-org-5678	13	65	Financial	Financial	NNP
www-nber-org-5678	13	66	Institutions	Institutions	NNP
www-nber-org-5678	13	67	Market	Market	NNP
www-nber-org-5678	13	68	Design	Design	NNP
www-nber-org-5678	13	69	Conferences	conference	NNS
www-nber-org-5678	13	70	SI	si	NN
www-nber-org-5678	13	71	2018	2018	CD
www-nber-org-5678	13	72	Monetary	Monetary	NNP
www-nber-org-5678	13	73	Economics	Economics	NNP
www-nber-org-5678	13	74	Mentioned	mention	VBN
www-nber-org-5678	13	75	in	in	IN
www-nber-org-5678	13	76	the	the	DT
www-nber-org-5678	13	77	News	News	NNP
www-nber-org-5678	13	78	Bitcoin	Bitcoin	NNP
www-nber-org-5678	13	79	too	too	RB
www-nber-org-5678	13	80	risky	risky	JJ
www-nber-org-5678	13	81	to	to	TO
www-nber-org-5678	13	82	go	go	VB
www-nber-org-5678	13	83	mainstream	mainstream	JJ
www-nber-org-5678	13	84	,	,	,
www-nber-org-5678	13	85	central	central	NNP
www-nber-org-5678	13	86	bank	bank	NN
www-nber-org-5678	13	87	overseer	overseer	NN
www-nber-org-5678	13	88	says	say	VBZ
www-nber-org-5678	13	89	June	June	NNP
www-nber-org-5678	13	90	18	18	CD
www-nber-org-5678	13	91	,	,	,
www-nber-org-5678	13	92	2018	2018	CD
www-nber-org-5678	13	93	Source	source	NN
www-nber-org-5678	13	94	:	:	:
www-nber-org-5678	13	95	The	the	DT
www-nber-org-5678	13	96	Star	Star	NNP
www-nber-org-5678	13	97	(	(	-LRB-
www-nber-org-5678	13	98	Toronto	Toronto	NNP
www-nber-org-5678	13	99	)	)	-RRB-
www-nber-org-5678	13	100	More	More	JJR
www-nber-org-5678	13	101	from	from	IN
www-nber-org-5678	13	102	NBER	NBER	NNP
www-nber-org-5678	13	103	In	in	IN
www-nber-org-5678	13	104	addition	addition	NN
www-nber-org-5678	13	105	to	to	IN
www-nber-org-5678	13	106	working	working	NN
www-nber-org-5678	13	107	papers	paper	NNS
www-nber-org-5678	13	108	,	,	,
www-nber-org-5678	13	109	the	the	DT
www-nber-org-5678	13	110	NBER	NBER	NNP
www-nber-org-5678	13	111	disseminates	disseminate	VBZ
www-nber-org-5678	13	112	affiliates	affiliate	NNS
www-nber-org-5678	13	113	’	’	POS
www-nber-org-5678	13	114	latest	late	JJS
www-nber-org-5678	13	115	findings	finding	NNS
www-nber-org-5678	13	116	through	through	IN
www-nber-org-5678	13	117	a	a	DT
www-nber-org-5678	13	118	range	range	NN
www-nber-org-5678	13	119	of	of	IN
www-nber-org-5678	13	120	free	free	JJ
www-nber-org-5678	13	121	periodicals	periodical	NNS
www-nber-org-5678	13	122	—	—	:
www-nber-org-5678	13	123	the	the	DT
www-nber-org-5678	13	124	NBER	NBER	NNP
www-nber-org-5678	13	125	 	  	_SP
www-nber-org-5678	13	126	Reporter	reporter	NN
www-nber-org-5678	13	127	,	,	,
www-nber-org-5678	13	128	the	the	DT
www-nber-org-5678	13	129	NBER	NBER	NNP
www-nber-org-5678	13	130	Digest	Digest	NNP
www-nber-org-5678	13	131	,	,	,
www-nber-org-5678	13	132	the	the	DT
www-nber-org-5678	13	133	Bulletin	Bulletin	NNP
www-nber-org-5678	13	134	on	on	IN
www-nber-org-5678	13	135	Retirement	Retirement	NNP
www-nber-org-5678	13	136	and	and	CC
www-nber-org-5678	13	137	Disability	Disability	NNP
www-nber-org-5678	13	138	,	,	,
www-nber-org-5678	13	139	and	and	CC
www-nber-org-5678	13	140	the	the	DT
www-nber-org-5678	13	141	Bulletin	Bulletin	NNP
www-nber-org-5678	13	142	on	on	IN
www-nber-org-5678	13	143	Health	Health	NNP
www-nber-org-5678	13	144	—	—	:
www-nber-org-5678	13	145	as	as	RB
www-nber-org-5678	13	146	well	well	RB
www-nber-org-5678	13	147	as	as	IN
www-nber-org-5678	13	148	online	online	JJ
www-nber-org-5678	13	149	conference	conference	NN
www-nber-org-5678	13	150	reports	report	VBZ
www-nber-org-5678	13	151	,	,	,
www-nber-org-5678	13	152	video	video	NN
www-nber-org-5678	13	153	lectures	lecture	NNS
www-nber-org-5678	13	154	,	,	,
www-nber-org-5678	13	155	and	and	CC
www-nber-org-5678	13	156	interviews	interview	NNS
www-nber-org-5678	13	157	.	.	.
www-nber-org-5678	14	1	The	the	DT
www-nber-org-5678	14	2	Economics	Economics	NNP
www-nber-org-5678	14	3	of	of	IN
www-nber-org-5678	14	4	Digitization	Digitization	NNP
www-nber-org-5678	14	5	Article	Article	NNP
www-nber-org-5678	14	6	Author	author	NN
www-nber-org-5678	14	7	:	:	:
www-nber-org-5678	14	8	Shane	Shane	NNP
www-nber-org-5678	14	9	Greenstein	Greenstein	NNP
www-nber-org-5678	14	10	The	the	DT
www-nber-org-5678	14	11	NBER	NBER	NNP
www-nber-org-5678	14	12	Economics	Economics	NNP
www-nber-org-5678	14	13	of	of	IN
www-nber-org-5678	14	14	Digitization	Digitization	NNP
www-nber-org-5678	14	15	Project	Project	NNP
www-nber-org-5678	14	16	,	,	,
www-nber-org-5678	14	17	established	establish	VBN
www-nber-org-5678	14	18	in	in	IN
www-nber-org-5678	14	19	2010	2010	CD
www-nber-org-5678	14	20	with	with	IN
www-nber-org-5678	14	21	support	support	NN
www-nber-org-5678	14	22	from	from	IN
www-nber-org-5678	14	23	the	the	DT
www-nber-org-5678	14	24	Alfred	Alfred	NNP
www-nber-org-5678	14	25	P.	P.	NNP
www-nber-org-5678	14	26	Sloan	Sloan	NNP
www-nber-org-5678	14	27	Foundation	Foundation	NNP
www-nber-org-5678	14	28	,	,	,
www-nber-org-5678	14	29	...	...	.
www-nber-org-5678	15	1	The	the	DT
www-nber-org-5678	15	2	2020	2020	CD
www-nber-org-5678	15	3	Martin	Martin	NNP
www-nber-org-5678	15	4	Feldstein	Feldstein	NNP
www-nber-org-5678	15	5	Lecture	lecture	NN
www-nber-org-5678	15	6	:	:	:
www-nber-org-5678	15	7	Journey	Journey	NNP
www-nber-org-5678	15	8	Across	Across	NNP
www-nber-org-5678	15	9	a	a	DT
www-nber-org-5678	15	10	Century	Century	NNP
www-nber-org-5678	15	11	of	of	IN
www-nber-org-5678	15	12	Women	Women	NNP
www-nber-org-5678	15	13	Lecture	Lecture	NNP
www-nber-org-5678	15	14	Claudia	Claudia	NNP
www-nber-org-5678	15	15	Goldin	Goldin	NNP
www-nber-org-5678	15	16	,	,	,
www-nber-org-5678	15	17	the	the	DT
www-nber-org-5678	15	18	Henry	Henry	NNP
www-nber-org-5678	15	19	Lee	Lee	NNP
www-nber-org-5678	15	20	Professor	Professor	NNP
www-nber-org-5678	15	21	of	of	IN
www-nber-org-5678	15	22	Economics	Economics	NNP
www-nber-org-5678	15	23	at	at	IN
www-nber-org-5678	15	24	Harvard	Harvard	NNP
www-nber-org-5678	15	25	University	University	NNP
www-nber-org-5678	15	26	and	and	CC
www-nber-org-5678	15	27	a	a	DT
www-nber-org-5678	15	28	past	past	JJ
www-nber-org-5678	15	29	president	president	NN
www-nber-org-5678	15	30	of	of	IN
www-nber-org-5678	15	31	the	the	DT
www-nber-org-5678	15	32	American	American	NNP
www-nber-org-5678	15	33	...	...	:
www-nber-org-5678	15	34	Summer	Summer	NNP
www-nber-org-5678	15	35	Institute	Institute	NNP
www-nber-org-5678	15	36	2020	2020	CD
www-nber-org-5678	15	37	Methods	Methods	NNP
www-nber-org-5678	15	38	Lectures	Lectures	NNPS
www-nber-org-5678	15	39	:	:	:
www-nber-org-5678	15	40	Differential	differential	VB
www-nber-org-5678	15	41	Privacy	privacy	NN
www-nber-org-5678	15	42	for	for	IN
www-nber-org-5678	15	43	Economists	economist	NNS
www-nber-org-5678	15	44	Lecture	Lecture	NNP
www-nber-org-5678	15	45	The	the	DT
www-nber-org-5678	15	46	extent	extent	NN
www-nber-org-5678	15	47	to	to	TO
www-nber-org-5678	15	48	which	which	WDT
www-nber-org-5678	15	49	individual	individual	JJ
www-nber-org-5678	15	50	responses	response	NNS
www-nber-org-5678	15	51	to	to	IN
www-nber-org-5678	15	52	household	household	NN
www-nber-org-5678	15	53	surveys	survey	NNS
www-nber-org-5678	15	54	are	be	VBP
www-nber-org-5678	15	55	protected	protect	VBN
www-nber-org-5678	15	56	from	from	IN
www-nber-org-5678	15	57	discovery	discovery	NN
www-nber-org-5678	15	58	by	by	IN
www-nber-org-5678	15	59	outside	outside	JJ
www-nber-org-5678	15	60	parties	party	NNS
www-nber-org-5678	15	61	depends	depend	VBZ
www-nber-org-5678	15	62	...	...	:
www-nber-org-5678	15	63	National	National	NNP
www-nber-org-5678	15	64	Bureau	Bureau	NNP
www-nber-org-5678	15	65	of	of	IN
www-nber-org-5678	15	66	Economic	Economic	NNP
www-nber-org-5678	15	67	Research	Research	NNP
www-nber-org-5678	15	68	Contact	Contact	NNP
www-nber-org-5678	15	69	Us	Us	NNP
www-nber-org-5678	15	70	1050	1050	CD
www-nber-org-5678	15	71	Massachusetts	Massachusetts	NNP
www-nber-org-5678	15	72	Ave	Ave	NNP
www-nber-org-5678	15	73	.	.	.
www-nber-org-5678	15	74	Cambridge	Cambridge	NNP
www-nber-org-5678	15	75	,	,	,
www-nber-org-5678	15	76	MA	MA	NNP
www-nber-org-5678	15	77	02138	02138	CD
www-nber-org-5678	15	78	617	617	CD
www-nber-org-5678	15	79	-	-	HYPH
www-nber-org-5678	15	80	868	868	CD
www-nber-org-5678	15	81	-	-	HYPH
www-nber-org-5678	15	82	3900	3900	CD
www-nber-org-5678	15	83	info@nber.org	info@nber.org	CC
www-nber-org-5678	15	84	Follow	follow	VB
www-nber-org-5678	15	85	Homepage	Homepage	NNP
www-nber-org-5678	15	86	Privacy	Privacy	NNP
www-nber-org-5678	15	87	Policy	Policy	NNP
www-nber-org-5678	15	88	©	©	NNP
www-nber-org-5678	15	89	2021	2021	CD
www-nber-org-5678	15	90	National	National	NNP
www-nber-org-5678	15	91	Bureau	Bureau	NNP
www-nber-org-5678	15	92	of	of	IN
www-nber-org-5678	15	93	Economic	Economic	NNP
www-nber-org-5678	15	94	Research	Research	NNP
www-nber-org-5678	15	95	.	.	.
www-nber-org-5678	16	1	All	all	DT
www-nber-org-5678	16	2	Rights	Rights	NNPS
www-nber-org-5678	16	3	Reserved	reserve	VBN
www-nber-org-5678	16	4	.	.	.