Citation analysis for Working Papers / U.S. Bureau of Labor Statistics

Working Papers / U.S. Bureau of Labor Statistics

0.3

Impact Factor

0.39

5-Years IF

5-Years H index

[Raw data] [50 most cited papers] [50 most relevant papers] [cites used to compute IF] [Recent citations ][Frequent citing series ]
[more data in EconPapers] [trace new citations] [Missing citations? Add them now] [Incorrect content? Let us know]

Main indicators

Raw data

	IF	AIF	IF5	DOC	CDO	CCU	CIF	CIT	D2Y	C2Y	D5Y	C5Y	%SC	CiY	II	AII
1990		0.1			0				0		0		(%)			0.06
1991		0.09			0				0		0		(%)			0.05
1992		0.11			0				0		0		(%)			0.06
1993		0.14			0				0		0		(%)			0.07
1994		0.12			0				0		0		(%)			0.06
1995		0.16			0				0		0		(%)			0.1
1996		0.2			0				0		0		(%)			0.09
1997		0.21			0				0		0		(%)			0.09
1998		0.22			0				0		0		(%)			0.13
1999		0.28			0	1			0		0		(%)			0.16
2000		0.37			0	1			0		0		(%)			0.14
2001		0.36			0	1			0		0		(%)			0.17
2002		0.37			0				0		0		(%)			0.18
2003		0.4		1	1			16	0		0		2 (12.5%)			0.19
2004	1	0.42	1	4	5	1	0.2	26	1	1	1	1	3 (11.5%)			0.19
2005	2.2	0.43	2.2	14	19	14	0.74	72	5	11	5	11	4 (5.6%)	2	0.14	0.21
2006	0.72	0.45	0.74	13	32	22	0.69	59	18	13	19	14	(%)	7	0.54	0.2
2007	0.37	0.39	0.41	13	45	14	0.31	31	27	10	32	13	2 (6.5%)	1	0.08	0.17
2008	0.42	0.39	0.51	7	52	29	0.56	28	26	11	45	23	3 (10.7%)	5	0.71	0.17
2009	0.25	0.37	0.31	11	63	21	0.33	55	20	5	51	16	3 (5.5%)	4	0.36	0.18
2010	0.72	0.33	0.38	9	72	30	0.42	14	18	13	58	22	1 (7.1%)	1	0.11	0.15
2011	0.35	0.41	0.57	9	81	42	0.52	27	20	7	53	30	1 (3.7%)	2	0.22	0.2
2012	0.28	0.46	0.33	8	89	35	0.39	9	18	5	49	16	(%)			0.21
2013	0.29	0.5	0.55	10	99	43	0.43	12	17	5	44	24	1 (8.3%)	2	0.2	0.21
2014	0.61	0.54	0.64		99	48	0.48		18	11	47	30	(%)			0.26
2015	0.3	0.6	0.39		99	31	0.31		10	3	36	14	(%)			0.3

IF:	Impact Factor: C2Y / D2Y
AIF:	Average Impact Factor for series in RePEc in year y
IF5:	Impact Factor: C5Y / D5Y
DOC:	Number of documents published in year y
CDO:	Cumulative number of documents published until year y
CCU:	Cumulative number of citations to papers published until year y
CIF:	Cumulative impact factor
CIT:	Number of citations to papers published in year y
D2Y:	Number of articles published in y-1 plus y-2
C2Y:	Cites in y to articles published in y-1 plus y-2
D5Y:	Number of articles published in y-1 until y-5
C5Y:	Cites in y to articles published in y-1 until y-5
%SC:	Percentage of selft citations in y to articles published in y-1 plus y-2
CiY:	Cites in year y to documents published in year y
II:	Immediacy Index: CiY / Documents.
AII:	Average Immediacy Index for series in RePEc in year y

50 most cited documents in this series:

#	Year	Title	Cited
1	2009	Tobit or Not Tobit?. (2009). Stewart, Jay. In: Working Papers. RePEc:bls:wpaper:ec090100. Full description at Econpapers \|\| Download paper	28
2	2005	Proposed Category System for 1960-2000 Census Occupations. (2005). Meyer, Peter ; Osborne, Anastasiya M.. In: Working Papers. RePEc:bls:wpaper:ec050090. Full description at Econpapers \|\| Download paper	28
3	2006	A Model of Asymmetric Employer Learning With Testable Implications. (2006). Pinkston, Joshua. In: Working Papers. RePEc:bls:wpaper:ec060020. Full description at Econpapers \|\| Download paper	23
4	2003	Episodes of Collective Invention. (2003). Meyer, Peter. In: Working Papers. RePEc:bls:wpaper:ec030050. Full description at Econpapers \|\| Download paper	16
5	2004	Gross Job Flows over the Past Two Business Cycles: Not all Recoveries are Created Equal. (2004). Faberman, Jason. In: Working Papers. RePEc:bls:wpaper:ec040020. Full description at Econpapers \|\| Download paper	16
6	2011	Inheritances and the Distribution of Wealth Or Whatever Happened to the Great Inheritance Boom?. (2011). Wolff, Edward ; Gittleman, Maury. In: Working Papers. RePEc:bls:wpaper:ec110030. Full description at Econpapers \|\| Download paper	16
7	2009	Reconciling User Costs and Rental Equivalence: Evidence from the U.S. Consumer Expenditure Survey. (2009). Verbrugge, Randal ; Garner, Thesia I.. In: Working Papers. RePEc:bls:wpaper:ec090050. Full description at Econpapers \|\| Download paper	15
8	2005	Are Traditional Retirements a Thing of the Past? New Evidence on Retirement Patterns and Bridge Jobs. (2005). Quinn, Joseph ; Giandrea, Michael ; Cahill, Kevin. In: Working Papers. RePEc:bls:wpaper:ec050100. Full description at Econpapers \|\| Download paper	13
9	2006	Job Flows and the Recent Business Cycle: Not All Recoveries Are Created Equal. (2006). Faberman, Jason. In: Working Papers. RePEc:bls:wpaper:ec060030. Full description at Econpapers \|\| Download paper	12
10	2008	The Effect of Hurricane Katrina on the Labor Market Outcomes of Evacuees. (2008). Polivka, Anne E. ; Groen, Jeffrey A.. In: Working Papers. RePEc:bls:wpaper:ec080010. Full description at Econpapers \|\| Download paper	11
11	2008	Parental Transfers, Student Achievement, and the Labor Supply of College Students. (2008). Pabilonia, Sabrina ; Kalenkoski, Charlene. In: Working Papers. RePEc:bls:wpaper:ec080020. Full description at Econpapers \|\| Download paper	10
12	2004	Which Workers Gain from Computer Use?. (2004). Pabilonia, Sabrina ; Zoghi, Cindy . In: Working Papers. RePEc:bls:wpaper:ec040030. Full description at Econpapers \|\| Download paper	8
13	2005	Personal Assessments of Minimum Income and Expenses: What Do They Tell Us about Minimum Living Thresholds and Equivalence Scales?. (2005). Garner, Thesia ; Short, Kathleen . In: Working Papers. RePEc:bls:wpaper:ec050050. Full description at Econpapers \|\| Download paper	8
14	2009	The Timing of Maternal Work and Time with Children. (2009). Stewart, Jay. In: Working Papers. RePEc:bls:wpaper:ec090030. Full description at Econpapers \|\| Download paper	8
15	2005	Studying the Labor Market with the Job Openings and Labor Turnover Survey. (2005). Faberman, Jason. In: Working Papers. RePEc:bls:wpaper:ec050140. Full description at Econpapers \|\| Download paper	7
16	2007	Puzzling Divergence of U.S. Rents and User Costs, 1980-2004: Summary and Extensions. (2007). Verbrugge, Randal ; Garner, Thesia I.. In: Working Papers. RePEc:bls:wpaper:ec070080. Full description at Econpapers \|\| Download paper	7
17	2010	Run-up in the House Price-Rent Ratio: How Much Can Be Explained by Fundamentals?. (2010). Verbrugge, Randal ; Sullivan, Paul ; Sommer, Kamila . In: Working Papers. RePEc:bls:wpaper:ec100090. Full description at Econpapers \|\| Download paper	6
18	2013	New Evidence on Self-Employment Transitions Among Older Americans with Career Jobs. (2013). Giandrea, Michael ; Cahill, Kevin ; Quinn, Joseph F.. In: Working Papers. RePEc:bls:wpaper:ec130030. Full description at Econpapers \|\| Download paper	5
19	2005	Whatâs In a City?: Understanding the Micro-Level Employer Dynamics Underlying Urban Growth. (2005). Faberman, Jason. In: Working Papers. RePEc:bls:wpaper:ec050120. Full description at Econpapers \|\| Download paper	5
20	2006	Wage Compression and the Division of Returns to Productivity Growth: Evidence from EOPP. (2006). Frazis, Harley ; Loewenstein, Mark A. In: Working Papers. RePEc:bls:wpaper:ec060100. Full description at Econpapers \|\| Download paper	5
21	2007	Establishment Wage Differentials. (2007). Spletzer, James ; Lane, Julia ; Salmon, Laurie A.. In: Working Papers. RePEc:bls:wpaper:ec070020. Full description at Econpapers \|\| Download paper	5
22	2012	What Effects do Macroeconomic Conditions Have on Families Time Together?. (2012). Pabilonia, Sabrina ; Morrill, Melinda. In: Working Papers. RePEc:bls:wpaper:ec120030. Full description at Econpapers \|\| Download paper	5
23	2012	Inter-Industry Compensation Differentials. (2012). Gittleman, Maury ; Pierce, Brooks . In: Working Papers. RePEc:bls:wpaper:ec120020. Full description at Econpapers \|\| Download paper	4
24	2013	International Trade Price Stickiness and Exchange Rate Pass-through in Micro Data: A Case Study on US-China Trade. (2013). Wu, Jason ; Wang, Jian ; Kim, Mina ; Nam, Deokwoo . In: Working Papers. RePEc:bls:wpaper:ec130080. Full description at Econpapers \|\| Download paper	4
25	2011	Search and Non-Wage Job Characteristics. (2011). To, Ted ; Sullivan, Paul. In: Working Papers. RePEc:bls:wpaper:ec110070. Full description at Econpapers \|\| Download paper	4
26	2005	Economic Well-Being Based on Income, Consumer Expenditures and Personal Assessments of Minimal Needs. (2005). Garner, Thesia ; Short, Kathleen . In: Working Papers. RePEc:bls:wpaper:ec050070. Full description at Econpapers \|\| Download paper	4
27	2009	Time to Work or Time to Play: The Effect of Student Employment on Homework, Housework, Screen Time, and Sleep. (2009). Pabilonia, Sabrina ; Kalenkoski, Charlene. In: Working Papers. RePEc:bls:wpaper:ec090010. Full description at Econpapers \|\| Download paper	4
28	2006	How Much Do Employers Learn from Referrals?. (2006). Pinkston, Joshua. In: Working Papers. RePEc:bls:wpaper:ec060040. Full description at Econpapers \|\| Download paper	4
29	2007	Workplace Organization and Innovation. (2007). Meyer, Peter ; Zoghi, Cindy ; Mohr, Robert D.. In: Working Papers. RePEc:bls:wpaper:ec070040. Full description at Econpapers \|\| Download paper	4
30	2010	The Role of Re-entry in the Retirement Process. (2010). Quinn, Joseph ; Giandrea, Michael ; Cahill, Kevin. In: Working Papers. RePEc:bls:wpaper:ec100070. Full description at Econpapers \|\| Download paper	4
31	2007	Some New Evidence on Overtime Use, Total Job Compensation, and Wage Rates. (2007). Barkume, Anthony. In: Working Papers. RePEc:bls:wpaper:ec070010. Full description at Econpapers \|\| Download paper	4
32	2011	Does Quality Adjustment Matter for Technologically Stable Products? An Application to the CPI for Food. (2011). Greenlees, John S ; McClelland, Robert . In: Working Papers. RePEc:bls:wpaper:ec110020. Full description at Econpapers \|\| Download paper	4
33	2006	Is Job Enrichment Really Enriching?. (2006). Zoghi, Cindy ; Mohr, Robert D.. In: Working Papers. RePEc:bls:wpaper:ec060010. Full description at Econpapers \|\| Download paper	4
34	2006	Parental Transfers, Student Achievement, and the Labor Supply of College Students. (2006). Pabilonia, Sabrina ; Kalenkoski, Charlene. In: Working Papers. RePEc:bls:wpaper:ec060130. Full description at Econpapers \|\| Download paper	3
35	2005	Why Are Jobs Designed the Way They Are?. (2005). Gibbs, Michael ; Levenson, Alec ; alec, steve ; Zoghi, Cindy . In: Working Papers. RePEc:bls:wpaper:ec050080. Full description at Econpapers \|\| Download paper	3
36	2007	R&D and Productivity Growth: A Review of the Literature. (2007). Sveikauskas, Leo . In: Working Papers. RePEc:bls:wpaper:ec070070. Full description at Econpapers \|\| Download paper	3
37	2005	Returning to the Returns to Computer Use. (2005). Pabilonia, Sabrina ; Zoghi, Cindy . In: Working Papers. RePEc:bls:wpaper:ec050030. Full description at Econpapers \|\| Download paper	3
38	2010	Why Do BLS Hours Series Tell Different Stories About Trends in Hours Worked?. (2010). Stewart, Jay ; Frazis, Harley . In: Working Papers. RePEc:bls:wpaper:ec100010. Full description at Econpapers \|\| Download paper	3
39	2006	Income Imputation and the Analysis of Expenditure Data in the Consumer Expenditure Survey. (2006). Fisher, Jonathan. In: Working Papers. RePEc:bls:wpaper:ec060060. Full description at Econpapers \|\| Download paper	2
40	2007	Are Those Who Bring Work Home Really Working Longer Hours? Implications for BLS Productivity Measures. (2007). Pabilonia, Sabrina ; Eldridge, Lucy P.. In: Working Papers. RePEc:bls:wpaper:ec070050. Full description at Econpapers \|\| Download paper	2
41	2008	Self-Employment Transitions among Older American Workers with Career Jobs. (2008). Quinn, Joseph ; Giandrea, Michael ; Cahill, Kevin ; Joseph F. Quinn, Ph. D., . In: Working Papers. RePEc:bls:wpaper:ec080040. Full description at Econpapers \|\| Download paper	2
42	2006	A Micro-level Analysis of Recent Increases in Labor Force Participation among Older Workers. (2006). Quinn, Joseph ; Giandrea, Michael ; Cahill, Kevin. In: Working Papers. RePEc:bls:wpaper:ec060120. Full description at Econpapers \|\| Download paper	2
43	2007	Improving the CPIâs Age-Bias Adjustment: Leverage, Disaggregation and Model Averaging. (2007). Verbrugge, Randal ; Gallin, Joshua . In: Working Papers. RePEc:bls:wpaper:ec070100. Full description at Econpapers \|\| Download paper	2
44	2011	How Does Occupational Status Impact Bridge Job Prevalence?. (2011). Quinn, Joseph ; Giandrea, Michael ; Cahill, Kevin. In: Working Papers. RePEc:bls:wpaper:ec110050. Full description at Econpapers \|\| Download paper	2
45	2008	New Evidence on Outlet Substitution Effects in Consumer Price Index Data. (2008). Greenlees, John S. ; McClelland, Robert . In: Working Papers. RePEc:bls:wpaper:ec080070. Full description at Econpapers \|\| Download paper	2
46	2006	The Effects of Rounding on the Consumer Price Index. (2006). Williams, Elliot D.. In: Working Papers. RePEc:bls:wpaper:ec060090. Full description at Econpapers \|\| Download paper	2
47	2008	Encouraging Participation in 401(k) Plans: Reconsidering the Employer Match. (2008). Dworak-Fisher, Keenan . In: Working Papers. RePEc:bls:wpaper:ec080060. Full description at Econpapers \|\| Download paper	2
48	2004	What Do Male Nonworkers Do?. (2004). Stewart, Jay. In: Working Papers. RePEc:bls:wpaper:ec040010. Full description at Econpapers \|\| Download paper	2
49	2007	Womens Increasing Wage Penalties from Being Overweight and Obese. (2007). Lempert, David . In: Working Papers. RePEc:bls:wpaper:ec070130. Full description at Econpapers \|\| Download paper	2
50	2006	Which Workers Gain Upon Adopting a Computer?. (2006). Pabilonia, Sabrina ; Zoghi, Cindy . In: Working Papers. RePEc:bls:wpaper:ec060070. Full description at Econpapers \|\| Download paper	2

50 most relevant documents in this series (papers most cited in the last two years)

#	Year	Title	Cited
1	2011	Inheritances and the Distribution of Wealth Or Whatever Happened to the Great Inheritance Boom?. (2011). Wolff, Edward ; Gittleman, Maury. In: Working Papers. RePEc:bls:wpaper:ec110030. Full description at Econpapers \|\| Download paper	13
2	2005	Proposed Category System for 1960-2000 Census Occupations. (2005). Meyer, Peter ; Osborne, Anastasiya M.. In: Working Papers. RePEc:bls:wpaper:ec050090. Full description at Econpapers \|\| Download paper	11
3	2008	The Effect of Hurricane Katrina on the Labor Market Outcomes of Evacuees. (2008). Polivka, Anne E. ; Groen, Jeffrey A.. In: Working Papers. RePEc:bls:wpaper:ec080010. Full description at Econpapers \|\| Download paper	5
4	2009	Tobit or Not Tobit?. (2009). Stewart, Jay. In: Working Papers. RePEc:bls:wpaper:ec090100. Full description at Econpapers \|\| Download paper	5
5	2012	Inter-Industry Compensation Differentials. (2012). Gittleman, Maury ; Pierce, Brooks . In: Working Papers. RePEc:bls:wpaper:ec120020. Full description at Econpapers \|\| Download paper	4
6	2013	International Trade Price Stickiness and Exchange Rate Pass-through in Micro Data: A Case Study on US-China Trade. (2013). Wu, Jason ; Wang, Jian ; Kim, Mina ; Nam, Deokwoo . In: Working Papers. RePEc:bls:wpaper:ec130080. Full description at Econpapers \|\| Download paper	4
7	2010	Why Do BLS Hours Series Tell Different Stories About Trends in Hours Worked?. (2010). Stewart, Jay ; Frazis, Harley . In: Working Papers. RePEc:bls:wpaper:ec100010. Full description at Econpapers \|\| Download paper	3
8	2011	Search and Non-Wage Job Characteristics. (2011). To, Ted ; Sullivan, Paul. In: Working Papers. RePEc:bls:wpaper:ec110070. Full description at Econpapers \|\| Download paper	3
9	2009	Time to Work or Time to Play: The Effect of Student Employment on Homework, Housework, Screen Time, and Sleep. (2009). Pabilonia, Sabrina ; Kalenkoski, Charlene. In: Working Papers. RePEc:bls:wpaper:ec090010. Full description at Econpapers \|\| Download paper	3
10	2007	Puzzling Divergence of U.S. Rents and User Costs, 1980-2004: Summary and Extensions. (2007). Verbrugge, Randal ; Garner, Thesia I.. In: Working Papers. RePEc:bls:wpaper:ec070080. Full description at Econpapers \|\| Download paper	3
11	2013	New Evidence on Self-Employment Transitions Among Older Americans with Career Jobs. (2013). Giandrea, Michael ; Cahill, Kevin ; Quinn, Joseph F.. In: Working Papers. RePEc:bls:wpaper:ec130030. Full description at Econpapers \|\| Download paper	3
12	2010	Run-up in the House Price-Rent Ratio: How Much Can Be Explained by Fundamentals?. (2010). Verbrugge, Randal ; Sullivan, Paul ; Sommer, Kamila . In: Working Papers. RePEc:bls:wpaper:ec100090. Full description at Econpapers \|\| Download paper	2
13	2007	Establishment Wage Differentials. (2007). Spletzer, James ; Lane, Julia ; Salmon, Laurie A.. In: Working Papers. RePEc:bls:wpaper:ec070020. Full description at Econpapers \|\| Download paper	2
14	2003	Episodes of Collective Invention. (2003). Meyer, Peter. In: Working Papers. RePEc:bls:wpaper:ec030050. Full description at Econpapers \|\| Download paper	2
15	2012	What Effects do Macroeconomic Conditions Have on Families Time Together?. (2012). Pabilonia, Sabrina ; Morrill, Melinda. In: Working Papers. RePEc:bls:wpaper:ec120030. Full description at Econpapers \|\| Download paper	2
16	2013	Job Dispersion and Compensating Wage Differentials. (2013). To, Ted ; Sullivan, Paul. In: Working Papers. RePEc:bls:wpaper:ec130100. Full description at Econpapers \|\| Download paper	2
17	2006	Which Workers Gain Upon Adopting a Computer?. (2006). Pabilonia, Sabrina ; Zoghi, Cindy . In: Working Papers. RePEc:bls:wpaper:ec060070. Full description at Econpapers \|\| Download paper	2
18	2005	Are Traditional Retirements a Thing of the Past? New Evidence on Retirement Patterns and Bridge Jobs. (2005). Quinn, Joseph ; Giandrea, Michael ; Cahill, Kevin. In: Working Papers. RePEc:bls:wpaper:ec050100. Full description at Econpapers \|\| Download paper	2
19	2005	Returning to the Returns to Computer Use. (2005). Pabilonia, Sabrina ; Zoghi, Cindy . In: Working Papers. RePEc:bls:wpaper:ec050030. Full description at Econpapers \|\| Download paper	2
20	2011	Does Quality Adjustment Matter for Technologically Stable Products? An Application to the CPI for Food. (2011). Greenlees, John S ; McClelland, Robert . In: Working Papers. RePEc:bls:wpaper:ec110020. Full description at Econpapers \|\| Download paper	2
21	2009	Reconciling User Costs and Rental Equivalence: Evidence from the U.S. Consumer Expenditure Survey. (2009). Verbrugge, Randal ; Garner, Thesia I.. In: Working Papers. RePEc:bls:wpaper:ec090050. Full description at Econpapers \|\| Download paper	2
22	2005	Personal Assessments of Minimum Income and Expenses: What Do They Tell Us about Minimum Living Thresholds and Equivalence Scales?. (2005). Garner, Thesia ; Short, Kathleen . In: Working Papers. RePEc:bls:wpaper:ec050050. Full description at Econpapers \|\| Download paper	2

Citing documents used to compute impact factor 3:

Year	Title
2015	The New World of Retirement Income Security in America. (2015). Quinn, Joseph ; Cahill, Kevin. In: Boston College Working Papers in Economics. RePEc:boc:bocoec:887. Full description at Econpapers \|\| Download paper
2015	How do exchange rate movements affect Chinese exports? â A firm-level investigation. (2015). Ma, Hong ; Li, Hongbin ; Xu, Yuan . In: Journal of International Economics. RePEc:eee:inecon:v:97:y:2015:i:1:p:148-161. Full description at Econpapers \|\| Download paper
2015	Exchange Rate Pass-Through, Domestic Competition, and Inflation: Evidence from the 2005/08 Revaluation of the Renminbi. (2015). Auer, Raphael. In: CEPR Discussion Papers. RePEc:cpr:ceprdp:10344. Full description at Econpapers \|\| Download paper

Recent citations (cites in year: CiY)

Recent citations received in 2013

Year	Citing document
2013	Are Gender Differences Emerging in the Retirement Patterns of the Early Boomers?. (2013). Giandrea, Michael ; Cahill, Kevin ; Quinn, Joseph F.. In: Working Papers. RePEc:bls:wpaper:ec130090. Full description at Econpapers \|\| Download paper
2013	Individual Determinants of Self-Employment Entry â What Do We Really Know?. (2013). Simoes, Nadia ; Moreira, Sandrina ; Crespo, Nuno. In: MPRA Paper. RePEc:pra:mprapa:48403. Full description at Econpapers \|\| Download paper

Recent citations received in 2012

Year	Citing document

10 most frequent citing series

#	Series	Cites
1	IZA Discussion Papers / Institute for the Study of Labor (IZA)	15
2	NBER Working Papers / National Bureau of Economic Research, Inc	11
3	Working Papers / U.S. Bureau of Labor Statistics	9
4	MPRA Paper / University Library of Munich, Germany	6
5	Review of Economics of the Household / Springer	5
6	Journal of Housing Economics / Elsevier	4
7	Social Indicators Research: An International and Interdisciplinary Journal for Quality-of-Life Measurement / Springer	3
8	ZEW Discussion Papers / ZEW - Zentrum fÃ¼r EuropÃ¤ische Wirtschaftsforschung / Center for European Economic Research	3
9	LSE Research Online Documents on Economics / London School of Economics and Political Science, LSE Library	3
10	Economics Bulletin / AccessEcon	3
11	Review of Economic Dynamics / Elsevier for the Society for Economic Dynamics	3

Warning!! This is still an experimental service. The results of this service should be interpreted with care, especially in research assessment exercises. The processing of documents is automatic. There still are errors and omissions in the identification of references. We are working to improve the software to increase the accuracy of the results.

Source data used to compute the impact factor of RePEc series.