Aaron Sojourner

W.E. Upjohn Institute for Employment Research

300 South Westnedge Avenue

Kalamazoo, MI 49007-4686

United States

University of Minnesota

Affiliated Researcher

Carlson School of Management

MN

United States

IZA Institute of Labor Economics

Research Fellow

P.O. Box 7240

Bonn, D-53072

Germany

SCHOLARLY PAPERS

29

DOWNLOADS

3,472

SSRN CITATIONS

69

CROSSREF CITATIONS

21

Scholarly Papers (29)

1.

Labor-Market Concentration and Labor Compensation

Number of pages: 56 Posted: 18 Jan 2019 Last Revised: 20 Jun 2022
Yue Qiu and Aaron Sojourner
Temple University and W.E. Upjohn Institute for Employment Research
Downloads 507 (78,748)
Citation 10

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labor-market concentration, wages, health insurance, unions

2.

Non-Disclosure Agreements and Externalities from Silence

Upjohn Institute Working Paper 22-360
Number of pages: 65 Posted: 09 Aug 2021 Last Revised: 20 Jun 2022
Jason Sockin, Aaron Sojourner and Evan Starr
University of Pennsylvania, W.E. Upjohn Institute for Employment Research and University of Maryland Robert H Smith School of Business
Downloads 482 (83,923)

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Imperfect Information, Non-Disclosure Agreements, Externalities, Firm Reputation

Can Reputation Discipline the Gig Economy? Experimental Evidence from an Online Labor Market

IZA Discussion Paper No. 9501
Number of pages: 38 Posted: 29 Nov 2015
Alan Benson, Aaron Sojourner and Akhmed Umyarov
University of Minnesota - Twin Cities - Carlson School of Management, W.E. Upjohn Institute for Employment Research and University of Minnesota - Minneapolis
Downloads 268 (159,223)

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labor, personnel, contracts, online labor markets, job search, screening, reputation, online ratings

Can Reputation Discipline the Gig Economy?: Experimental Evidence From an Online Labor Market

Benson, Alan, Aaron Sojourner, and Akhmed Umyarov. 2019. "Can Reputation Discipline the Gig Economy? Experimental Evidence from an Online Labor Market.", Management Science, Forthcoming
Number of pages: 42 Posted: 20 Jan 2019
Alan Benson, Aaron Sojourner and Akhmed Umyarov
University of Minnesota - Twin Cities - Carlson School of Management, W.E. Upjohn Institute for Employment Research and University of Minnesota - Minneapolis
Downloads 156 (262,189)
Citation 12

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online labor markets, online ratings, employer reputation, labor markets, economics of information systems, job search

4.
Downloads 369 (114,124)
Citation 1

Wage Inequality and Labor Rights Violations

Number of pages: 48 Posted: 30 Sep 2020 Last Revised: 10 Feb 2021
Ioana Elena Marinescu, Yue Qiu and Aaron Sojourner
University of Pennsylvania - School of Social Policy & Practice, Temple University and W.E. Upjohn Institute for Employment Research
Downloads 352 (119,483)

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wage differentials, inequality, worker power, labor rights

Wage Inequality and Labor Rights Violations

IZA Discussion Paper No. 14112
Number of pages: 50 Posted: 22 Feb 2021
Ioana Elena Marinescu, Yue Qiu and Aaron Sojourner
University of Pennsylvania - School of Social Policy & Practice, Temple University and W.E. Upjohn Institute for Employment Research
Downloads 11 (808,875)

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Wage Inequality and Labor Rights Violations

NBER Working Paper No. w28475
Number of pages: 49 Posted: 22 Feb 2021 Last Revised: 22 Apr 2022
Ioana Elena Marinescu, Yue Qiu and Aaron Sojourner
University of Pennsylvania - School of Social Policy & Practice, Temple University and W.E. Upjohn Institute for Employment Research
Downloads 6 (862,371)
Citation 1
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5.

Can Intensive Early Childhood Intervention Programs Eliminate Income-Based Cognitive and Achievement Gaps?

IZA Discussion Paper No. 7087
Number of pages: 58 Posted: 05 Jan 2013
Greg J. Duncan and Aaron Sojourner
Northwestern University - Institute for Policy Research and W.E. Upjohn Institute for Employment Research
Downloads 338 (125,732)
Citation 7

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human capital, skill formation, education, early childhood, government policy

6.

What's the Inside Scoop? Challenges in the Supply and Demand for Information on Employers

Number of pages: 56 Posted: 16 Jun 2020 Last Revised: 21 Aug 2021
Jason Sockin and Aaron Sojourner
University of Pennsylvania and W.E. Upjohn Institute for Employment Research
Downloads 267 (160,480)
Citation 1

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Imperfect Information, Job Search, Job Satisfaction, Employer Retaliation

7.

The Value of Employer Reputation in the Absence of Contract Enforcement: A Randomized Experiment

Number of pages: 40 Posted: 31 Jan 2015 Last Revised: 19 Feb 2017
Alan Benson, Aaron Sojourner and Akhmed Umyarov
University of Minnesota - Twin Cities - Carlson School of Management, W.E. Upjohn Institute for Employment Research and University of Minnesota - Minneapolis
Downloads 218 (195,314)
Citation 4

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labor market search, employer reputation, incomplete contracts, information asymmetry, online labor market, collective action/public goods

Predicting Retirement Savings Using Survey Measures of Exponential-Growth Bias and Present Bias

IZA Discussion Paper No. 11762
Number of pages: 65 Posted: 17 Sep 2018
Stanford University, London School of Economics & Political Science (LSE) - Department of Economics, University of Minnesota, W.E. Upjohn Institute for Employment Research and Claremont Colleges - Claremont Graduate University
Downloads 142 (282,891)
Citation 2

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household finance, retirement savings, exponential-growth bias, quasi-hyperbolic discounting, present bias, financial literacy, survey-based elicitations

Predicting Retirement Savings Using Survey Measures of Exponential‐Growth Bias and Present Bias

Economic Inquiry, Vol. 57, Issue 3, pp. 1636-1658, 2019
Number of pages: 23 Posted: 22 May 2019
Stanford University, London School of Economics & Political Science (LSE) - Department of Economics, University of Minnesota - Twin Cities - Center for Entrepreneurial Studies, W.E. Upjohn Institute for Employment Research and Claremont Colleges - Claremont Graduate University
Downloads 8 (840,400)

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9.

Effects of Unionization on Workplace-Safety Enforcement: Regression-Discontinuity Evidence

IZA Discussion Paper No. 9610
Number of pages: 53 Posted: 11 Jan 2016
Aaron Sojourner and Jooyoung Yang
W.E. Upjohn Institute for Employment Research and University of Minnesota - Minneapolis
Downloads 82 (409,265)
Citation 3

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union(s), OSHA inspections, workplace accidents, effects, labor market institutions

Are Voluntary Agreements Better? Evidence from Baseball Arbitration

Number of pages: 42 Posted: 04 Apr 2014
John W. Budd, Aaron Sojourner and Jaewoo Jung
University of Minnesota - Twin Cities - Carlson School of Management, W.E. Upjohn Institute for Employment Research and Korea Labor Institute
Downloads 50 (533,629)

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dispute resolution, arbitration

Are Voluntary Agreements Better? Evidence from Baseball Arbitration

IZA Discussion Paper No. 8098
Number of pages: 44 Posted: 19 Apr 2014
John W. Budd, Aaron Sojourner and Jaewoo Jung
University of Minnesota - Twin Cities - Carlson School of Management, W.E. Upjohn Institute for Employment Research and Korea Labor Institute
Downloads 30 (646,011)

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dispute resolution, arbitration, negotiation, salary, sports, baseball

11.
Downloads 63 (471,635)
Citation 1

Early Childhood Care and Cognitive Development

NBER Working Paper No. w26813
Number of pages: 86 Posted: 02 Mar 2020 Last Revised: 07 Apr 2022
Juan Chaparro, Aaron Sojourner and Matthew Wiswall
Universidad EAFIT, W.E. Upjohn Institute for Employment Research and University of Wisconsin - Madison - Department of Economics
Downloads 46 (552,925)
Citation 1

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Early Childhood Care and Cognitive Development

IZA Discussion Paper No. 13047
Number of pages: 87 Posted: 30 Mar 2020
Juan Chaparro, Aaron Sojourner and Matthew Wiswall
Universidad EAFIT, W.E. Upjohn Institute for Employment Research and University of Wisconsin - Madison - Department of Economics
Downloads 17 (750,591)

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human capital, skill formation, child care, maternal labor supply

12.

Impacts of Unionization on Quality and Productivity: Regression Discontinuity Evidence from Nursing Homes

IZA Discussion Paper No. 8240
Number of pages: 66 Posted: 14 Jun 2014
W.E. Upjohn Institute for Employment Research, Brigham Young University - Department of Economics, National Bureau of Economic Research (NBER), Harvard University - Department of Health Care Policy and Florida International University (FIU)
Downloads 54 (506,941)
Citation 3

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trade union, nursing homes, labor productivity, regression discontinuity, collective bargaining, health care quality

13.

Identification of Peer Effects with Missing Peer Data: Evidence from Project Star

IZA Discussion Paper No. 5432
Number of pages: 69 Posted: 24 Jan 2011
Aaron Sojourner
W.E. Upjohn Institute for Employment Research
Downloads 41 (567,142)
Citation 6

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peers, missing data, education

Unionization and Productivity: Evidence from Charter Schools

IZA Discussion Paper No. 7887
Number of pages: 35 Posted: 18 Jan 2014
Cassandra Hart and Aaron Sojourner
University of California, Davis and W.E. Upjohn Institute for Employment Research
Downloads 40 (584,652)

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teacher, labor union, student achievement, charter school, education, labor productivity

Unionization and Productivity: Evidence from Charter Schools

Industrial Relations: A Journal of Economy and Society, Vol. 54, Issue 3, pp. 422-448, 2015
Number of pages: 27 Posted: 08 Jun 2015
Cassandra Hart and Aaron Sojourner
University of California, Davis and W.E. Upjohn Institute for Employment Research
Downloads 0

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The Relationship between Union Membership and Net Fiscal Impact

IZA Discussion Paper No. 11310
Number of pages: 51 Posted: 06 Feb 2018
Aaron Sojourner and José Pacas
W.E. Upjohn Institute for Employment Research and University of Minnesota - Minneapolis
Downloads 39 (590,136)

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labor union, taxes, public economic, labor relations, industrial relations, public benefits, collective bargaining, net fiscal impact, social insurance

The Relationship between Union Membership and Net Fiscal Impact

Industrial Relations: A Journal of Economy and Society, Vol. 58, Issue 1, pp. 86-107, 2019
Number of pages: 22 Posted: 11 Dec 2018
Aaron Sojourner and José Pacas
W.E. Upjohn Institute for Employment Research and University of Minnesota - Minneapolis
Downloads 0

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Do Unions Promote Members' Electoral Office Holding? Evidence from Correlates of State Legislatures' Occupational Shares

IZA Discussion Paper No. 6479
Number of pages: 30 Posted: 14 Apr 2012
Aaron Sojourner
W.E. Upjohn Institute for Employment Research
Downloads 39 (590,136)
Citation 1

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union, elected office, teachers, police, construction, public-sector

Do Unions Promote Members’ Electoral Office Holding? Evidence from Correlates of State Legislatures' Occupational Shares

Industrial and Labor Relations Review, Vol. 66, No. 2, 2013
Posted: 27 Apr 2013
Aaron Sojourner
W.E. Upjohn Institute for Employment Research

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trade union, labor union, elected officials, state legislature, teacher, police, firefighter, construction

Who is a Passive Saver Under Opt-In and Auto-Enrollment?

IZA Discussion Paper No. 12497
Number of pages: 47 Posted: 12 Aug 2019
Stanford University, London School of Economics & Political Science (LSE) - Department of Economics, University of Minnesota - Twin Cities - Center for Entrepreneurial Studies, W.E. Upjohn Institute for Employment Research and Claremont Colleges - Claremont Graduate University
Downloads 27 (667,499)

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present bias, exponential-growth bias, household finance, retirement saving decisions, choice architecture, defaults, financial literacy, procrastination

Who is a Passive Saver Under Opt-In and Auto-Enrollment?

NBER Working Paper No. w26078
Number of pages: 46 Posted: 23 Jul 2019 Last Revised: 04 Apr 2021
Stanford University, London School of Economics & Political Science (LSE) - Department of Economics, University of Minnesota - Twin Cities - Center for Entrepreneurial Studies, W.E. Upjohn Institute for Employment Research and Claremont Colleges - Claremont Graduate University
Downloads 7 (851,305)
Citation 2

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18.

The Role of Time Preferences and Exponential-Growth Bias in Retirement Savings

NBER Working Paper No. w21482
Number of pages: 95 Posted: 25 Aug 2015 Last Revised: 14 Mar 2021
Stanford University, London School of Economics & Political Science (LSE) - Department of Economics, University of Minnesota, W.E. Upjohn Institute for Employment Research and Claremont Colleges - Claremont Graduate University
Downloads 33 (611,064)

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19.

Same Program, Different Outcomes: Understanding Differential Effects from Access to Free, High-Quality Early Care

IZA Discussion Paper No. 9552
Number of pages: 67 Posted: 26 Dec 2015
Juan Chaparro and Aaron Sojourner
University of Minnesota - Minneapolis and W.E. Upjohn Institute for Employment Research
Downloads 32 (616,950)

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human capital, early childhood, experiment

20.

What Will My Account Really Be Worth? an Experiment on Exponential Growth Bias and Retirement Saving

NBER Working Paper No. w17927
Number of pages: 68 Posted: 25 Mar 2012 Last Revised: 27 Jun 2021
Stanford University, University of Minnesota and W.E. Upjohn Institute for Employment Research
Downloads 29 (635,852)
Citation 1

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21.

Common Ownership in Labor Markets

Number of pages: 67 Posted: 22 Jul 2022
José Azar, Yue Qiu and Aaron Sojourner
University of Navarra, IESE Business School, Temple University and W.E. Upjohn Institute for Employment Research
Downloads 27 (693,717)

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Monopsony, Oligopsony, Labor Markets, Competition Policy, Common Ownership

22.

Family-Centered Measures of Access to Early Care and Education

IZA Discussion Paper No. 11396
Number of pages: 59 Posted: 02 Apr 2018
Elizabeth E. Davis, Won Fy Lee and Aaron Sojourner
University of Minnesota - Department of Applied Economics, University of Minnesota - Minneapolis and W.E. Upjohn Institute for Employment Research
Downloads 24 (670,789)

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child care, spatial analysis, public facility location, services

23.

Impacts of Unionization on Employment, Product Quality and Productivity: Regression Discontinuity Evidence from Nursing Homes

NBER Working Paper No. w17733
Number of pages: 65 Posted: 21 Jan 2012 Last Revised: 16 Jun 2022
W.E. Upjohn Institute for Employment Research, National Bureau of Economic Research (NBER), Harvard University - Department of Health Care Policy and Florida International University (FIU)
Downloads 24 (670,789)

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24.

Are Retirement Planning Tools Substitutes or Complements to Financial Capability?

Number of pages: 44 Posted: 30 Jan 2022
Stanford University, London School of Economics & Political Science (LSE) - Department of Economics, University of Minnesota - Twin Cities - Center for Entrepreneurial Studies, W.E. Upjohn Institute for Employment Research, Claremont Colleges - Claremont Graduate University and Claremont Colleges - Claremont Graduate University
Downloads 22 (686,029)

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retirement planning, retirement saving, exponential-growth bias, present bias, financial literacy, financial capability

Inequality in Early Care Experienced by U.S. Children

IZA Discussion Paper No. 14743
Number of pages: 71 Posted: 08 Oct 2021 Last Revised: 19 May 2022
Sarah Flood, Joel McMurry, Aaron Sojourner and Matthew Wiswall
University of Minnesota, University of Wisconsin - Madison, W.E. Upjohn Institute for Employment Research and University of Wisconsin - Madison - Department of Economics
Downloads 16 (759,677)

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child care, inequality, child development, human capital, skill formation

Inequality in Early Care Experienced by U.S. Children

NBER Working Paper No. w29249
Number of pages: 70 Posted: 20 Sep 2021 Last Revised: 17 Jun 2022
Sarah Flood, Joel McMurry, Aaron Sojourner and Matthew Wiswall
University of Minnesota, University of Wisconsin - Madison, W.E. Upjohn Institute for Employment Research and University of Wisconsin - Madison - Department of Economics
Downloads 3 (898,760)
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26.

Partial Identification of Willingness-to-Pay Using Shape Restrictions with an Application to the Value of a Statistical Life

IZA Discussion Paper No. 5066
Number of pages: 40 Posted: 26 Jul 2010
Aaron Sojourner
W.E. Upjohn Institute for Employment Research
Downloads 17 (725,800)

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hedonic, partial identification, value of a statistical life, shape restrictions

27.

Who's in and Who's Out Under Workplace Covid Symptom Screening?

NBER Working Paper No. w27792
Number of pages: 29 Posted: 14 Sep 2020 Last Revised: 10 Jun 2022
Krista Ruffini, Aaron Sojourner and Abigail Wozniak
University of California, Berkeley - The Richard & Rhoda Goldman School of Public Policy, W.E. Upjohn Institute for Employment Research and Federal Reserve Banks - Federal Reserve Bank of Minneapolis
Downloads 9 (799,046)

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28.

Labor-Market Concentration and Labor Compensation

IZA Discussion Paper No. 12089
Number of pages: 79 Posted: 28 Jan 2019
Yue Qiu and Aaron Sojourner
Temple University and W.E. Upjohn Institute for Employment Research
Downloads 9 (799,046)
Citation 1

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labor-market concentration, monopsony, wages, health insurance, unions

29.

An Equilibrium Model of the Impact of Increased Public Investment in Early Childhood Education

NBER Working Paper No. w30140
Number of pages: 73 Posted: 13 Jun 2022 Last Revised: 18 Jun 2022
University of Minnesota, University of South Carolina, University of Minnesota - Department of Applied Economics, Department of Economics, University of Notre Dame, Arizona State University (ASU) - School of Public Affairs, W.E. Upjohn Institute for Employment Research, American University and University of Wisconsin - Madison - Department of Economics
Downloads 0 (906,676)
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