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

39

DOWNLOADS

7,824

TOTAL CITATIONS

168

Scholarly Papers (39)

1.

Non-Disclosure Agreements and Externalities from Silence

Upjohn Institute Working Paper 22-360
Number of pages: 86 Posted: 09 Aug 2021 Last Revised: 19 Jan 2024
Jason Sockin, Aaron Sojourner and Evan Starr
Cornell University, Ithaca, New York, W.E. Upjohn Institute for Employment Research and University of Maryland - Robert H. Smith School of Business
Downloads 2,033 (16,797)
Citation 3

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

2.

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 752 (71,416)
Citation 10

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labor-market concentration, wages, health insurance, unions

3.
Downloads 654 (85,363)
Citation 2

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 527 (110,736)

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wage differentials, inequality, worker power, labor rights

Wage Inequality and Labor Rights Violations

NBER Working Paper No. w28475
Number of pages: 49 Posted: 22 Feb 2021 Last Revised: 22 Apr 2023
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 66 (722,645)
Citation 2

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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 61 (752,905)

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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 323 (194,974)

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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 218 (291,520)
Citation 38

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

5.

Common Ownership and Wages

Number of pages: 99 Posted: 22 Jul 2022 Last Revised: 17 Oct 2024
José Azar, Xin Dai, Yue Qiu and Aaron Sojourner
University of Navarra, IESE Business School, Drexel University, Temple University and W.E. Upjohn Institute for Employment Research
Downloads 495 (120,941)

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

6.

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

Journal of Labor Economics, volume 41, issue 4, 2023[10.1086/721701]
Number of pages: 56 Posted: 16 Jun 2020 Last Revised: 05 Jan 2025
Jason Sockin and Aaron Sojourner
Cornell University, Ithaca, New York and W.E. Upjohn Institute for Employment Research
Downloads 457 (133,170)
Citation 9

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Imperfect Information, Job Search, Job Satisfaction, Employer Retaliation

7.

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 Last Revised: 18 Nov 2021
Greg J. Duncan and Aaron Sojourner
Northwestern University - Institute for Policy Research and W.E. Upjohn Institute for Employment Research
Downloads 367 (171,269)
Citation 18

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

8.

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 253 (253,507)
Citation 4

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

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 131 (457,339)

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

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 81 (644,266)

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dispute resolution, arbitration

10.

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 Last Revised: 21 Apr 2023
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 210 (303,454)
Citation 23

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

Are Retirement Planning Tools Substitutes or Complements to Financial Capability?

Number of pages: 58 Posted: 06 Sep 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 107 (535,734)

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

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 80 (649,034)

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

12.
Downloads 147 (415,959)
Citation 3

Early Childhood Care and Cognitive Development

NBER Working Paper No. w26813
Number of pages: 86 Posted: 02 Mar 2020 Last Revised: 07 Apr 2023
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 87 (616,830)
Citation 3

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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 60 (759,308)

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

13.

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

IZA Discussion Paper No. 9610
Number of pages: 53 Posted: 11 Jan 2016 Last Revised: 18 Nov 2021
Aaron Sojourner and Jooyoung Yang
W.E. Upjohn Institute for Employment Research and University of Minnesota - Minneapolis
Downloads 136 (442,378)
Citation 10

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

14.

Unionization and Productivity: Evidence from Charter Schools

IZA Discussion Paper No. 7887
Number of pages: 35 Posted: 18 Jan 2014 Last Revised: 18 Nov 2021
Cassandra Hart and Aaron Sojourner
University of California, Davis and W.E. Upjohn Institute for Employment Research
Downloads 124 (475,870)

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

15.

Effects of Access-to-Hours and Just Cause Regulations on Labor Market Outcomes

Number of pages: 54 Posted: 21 Nov 2022
Joseph Pickens and Aaron Sojourner
University of Minnesota and W.E. Upjohn Institute for Employment Research
Downloads 101 (554,239)

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employment, turnover, access-to-hours, fair workweek, just cause, synthetic difference-in-differences

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 Last Revised: 20 Apr 2023
Aaron Sojourner
W.E. Upjohn Institute for Employment Research
Downloads 97 (575,100)
Citation 3

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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

17.

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 Last Revised: 18 Nov 2021
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 89 (600,955)
Citation 14

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

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 63 (740,668)

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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: 03 Apr 2023
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 20 (1,140,378)
Citation 4

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19.

M&A and Workplace Safety: Evidence from Mines

Fox School of Business Research Paper
Number of pages: 76 Posted: 16 Oct 2024 Last Revised: 10 Dec 2024
Yue Qiu, Aaron Sojourner and Paolo F. Volpin
Temple University, W.E. Upjohn Institute for Employment Research and Drexel University - Bennett S. LeBow College of Business
Downloads 77 (653,952)

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mergers and acquisitions, control, ultimate ownership, labor and finance, implicit contracts, workplace safety

20.

The Relationship between Union Membership and Net Fiscal Impact

IZA Discussion Paper No. 11310
Number of pages: 51 Posted: 06 Feb 2018 Last Revised: 18 Nov 2021
Aaron Sojourner and José Pacas
W.E. Upjohn Institute for Employment Research and University of Minnesota - Minneapolis
Downloads 77 (653,952)

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

21.

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 Last Revised: 17 Nov 2021
Aaron Sojourner
W.E. Upjohn Institute for Employment Research
Downloads 74 (668,307)
Citation 6

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education, missing data, peers

22.

Family-Centered Measures of Access to Early Care and Education

IZA Discussion Paper No. 11396
Number of pages: 59 Posted: 02 Apr 2018 Last Revised: 18 Nov 2021
Elizabeth E. Davis, Won Fy Lee and Aaron Sojourner
University of Minnesota - Department of Applied Economics, Stanford University and W.E. Upjohn Institute for Employment Research
Downloads 66 (709,964)

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child care, spatial analysis, services, public facility location

23.

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 61 (738,537)
Citation 2

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human capital, early childhood, experiment

24.

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: 13 Mar 2023
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 57 (763,514)

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25.

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: 26 Jun 2023
Stanford University, University of Minnesota and W.E. Upjohn Institute for Employment Research
Downloads 51 (804,094)
Citation 1

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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 32 (994,448)

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human capital, child development, inequality, child care, 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: 03 Jun 2023
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 (1,195,193)
Citation 8

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27.

Are Retirement Planning Tools Substitutes or Complements to Financial Capability?

IZA Discussion Paper No. 15758
Number of pages: 68 Posted: 02 Dec 2022 Last Revised: 04 Dec 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 46 (841,655)

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

28.

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 2023
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 46 (841,655)
Citation 1

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29.

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 44 (857,638)

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

30.

Effects of Child Care Vouchers on Price, Quantity, and Provider Turnover in Private Care Markets

Upjohn Institute Working Paper 24-394
Number of pages: 42 Posted: 08 Feb 2024
Stanford University, W.E. Upjohn Institute for Employment Research, University of Minnesota - Department of Applied Economics and University of Minnesota
Downloads 43 (865,799)

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child care, vouchers, prices, capacity, supply elasticity, entry rate, exit rate

31.

Gains from Alternative Assignment? Evidence from a Two-Sided Teacher Market

Number of pages: 67 Posted: 11 Dec 2023 Last Revised: 08 Feb 2025
Boston College, College of Arts and Sciences, Department of Economics, Students, University of Minnesota - Twin Cities, W.E. Upjohn Institute for Employment Research and University of Toronto
Downloads 40 (891,593)

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32.

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 2023
Krista Ruffini, Aaron Sojourner and Abigail Wozniak
Georgetown University, W.E. Upjohn Institute for Employment Research and Federal Reserve Banks - Federal Reserve Bank of Minneapolis
Downloads 33 (957,727)

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33.

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 32 (967,733)
Citation 5

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

34.

Financial Incentives for Adoption and Kin Guardianship Improve Financial Incentives for Adoption and Kin Guardianship Improve Achievement for Foster Children Achievement for Foster Children

Number of pages: 68 Posted: 17 Jun 2024
University of Connecticut, W.E. Upjohn Institute for Employment Research, Government of the State of Minnesota - Department of Human Services and Government of the State of Minnesota - Department of Human Services
Downloads 30 (988,731)

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human capital, child welfare, education

Financial Incentives for Adoption and Kin Guardianship Improve Achievement for Foster Children

IZA Discussion Paper No. 17057
Number of pages: 67 Posted: 14 Jun 2024
University of Connecticut, W.E. Upjohn Institute for Employment Research, Government of the State of Minnesota - Department of Human Services and Government of the State of Minnesota - Department of Human Services
Downloads 16 (1,195,193)

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child welfare, education, human capital

Financial Incentives for Adoption and Kin Guardianship Improve Achievement for Foster Children

NBER Working Paper No. w32560
Number of pages: 67 Posted: 18 Jun 2024
University of Connecticut, W.E. Upjohn Institute for Employment Research, Government of the State of Minnesota - Department of Human Services and Government of the State of Minnesota - Department of Human Services
Downloads 3 (1,344,009)
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36.

Gains from Alternative Assignment? Evidence from a Two-Sided Teacher Market

The University of Chicago Stone Center Working Paper Series Paper No. 25-07
Posted: 04 Mar 2025 Last Revised: 21 Mar 2025
Boston College, University of Minnesota - Twin Cities, W.E. Upjohn Institute for Employment Research and University of Toronto
Downloads 15 (1,169,626)

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Two-sided matching, K-12 teachers, Market Design, Teacher Assignment

37.

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: 10 May 2023
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 15 (1,169,626)
Citation 2

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38.

Are Retirement Planning Tools Substitutes or Complements to Financial Capability?

NBER Working Paper No. w30723
Number of pages: 67 Posted: 12 Dec 2022 Last Revised: 12 Jun 2023
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 9 (1,241,530)
Citation 2

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39.

Gains from Alternative Assignment? Evidence from a Two-Sided Teacher Market

IZA Discussion Paper No. 17696
Number of pages: 69 Posted: 18 Feb 2025
Boston College, University of Minnesota - Twin Cities, W.E. Upjohn Institute for Employment Research and University of Toronto
Downloads 3 (1,288,281)

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