Golberstein, E., I. Zainullina, A. Sojourner & M. Sanders (2024) Effects of School-Based Mental Health Services on Youth Outcomes. Journal of Human Resources, 59(S), S256-S281
Summaries
- Upjohn-UMinnesota Policy Brief: School-Based Mental Health Services Can Increase Access to Care and Decrease Suicide Attempts
- Upjohn Employment Research Newsletter: School-Based Mental Health Services Can Increase Access to Care and Decrease Suicide Attempts
- Probably Causation podcast
- Sahan Journal & Minnesota Public Radio: All Minnesota public school students can access free mental health care
- MinnPost: Researchers measure fewer suicide attempts after school-based mental health implemented in Hennepin County
- MedicalXPress: School-based mental health services can improve the well-being of children and adolescents
- The Objective: Instalar Servicios Salud Mental Escueles Reduce Intentos Suicidio
Brookings, Examining the uneven and hard-to-predict labor market recovery (with Lauren Bauer, Arin Dube, & Wendy Edelberg)
Goldhaber, Dan, Cyrus Grout, Constance Lindsay, Elton Mykerezi, Aaron Sojourner, Lauren Dachille (2025) Exploring the Landscape of Teacher Applications [CEDR WP]
Laverde, M., E. Mykerezi, A. Sojourner & A. Sood (2026) Match Effects and the Gains from Alternative Assignments: Evidence from a Teacher Labor Market [IZA@LISER WP]
Sojourner, A. (2013) Identification of Peer Effects with Missing Peer Data: Evidence from Project STAR. Economic Journal. 123(569): 574-605.
Working Papers Press Mentions
- Access Minnesota radio interview (25 minutes) about implications for ability mixing in classrooms and other education topics
- Royal Economic Society: Mixed ability classes raise average achievement and reduce inequality: new evidence of peer effects in early education July 31, 2013
Flood, S., J. McMurray, A. Sojourner, & M. Wiswall (2022) Inequality in Early Care Experienced by U.S. Children. Journal of Economic Perspectives. 36(2): 199-222
Working Papers Summaries
- Economic Report of the President (2023) President's Council of Economic Advisers: p. 132 & 141
- American Economics Association Research Highlights: Childcare and Inequality
- New York Times: How Other Nations Pay for Child Care. The U.S. Is an Outlier.
- Small Talks
- NBER Reporter: Children and Families Program Report 2024
Goldhaber, D., C. Grout, C. Lindsay, E. Mykerezi, & A. Sojourner (2026) School System Selection Processes and Workforce Diversity in Schools. CALDER Center Working Paper
Summaries
Sojourner, A., E. Mykerezi, & K. West. (2014) Teacher Pay Reform And Productivity: Panel Data Evidence from Adoptions of Q-Comp in Minnesota. Journal of Human Resources. 49(4): 945-981.
Summaries
- Mykerezi, Sojourner & West (July 2015) "Reforming Teacher Contracts: A Look at the Impact of Q-Comp on Student Achievement in Minnesota" Center for Urban and Regional Affairs (CURA) Reporter. Also a 3-page policy brief.
- The 74 Million: The merit pay myth: Why the conventional wisdom about paying teachers is wrong
- Star-Tribune: Additional state funding for teacher evaluations proposed
- HometownSource.com: 5-to-1 return on taxpayer dollars is encouraging news. Also, Mille Lacs County Times and Stillwater Gazette,
- Educators for Excellence Minnesota: Quality Compensation: Supporting and Rewarding Excellence in Teaching
- Minnpost: Minnesota Must Raise Q-Comp Cap to Support Teachers
- Star-Tribune op-ed: Don't Go Writing Off Q-Comp
- Cited in Star-Tribune letter to editor responding to this op-ed
- Pioneer Press article about our testimony at Minnesota House Education committee3/7/14
- Star-Tribune op-ed
- Star-Tribune article and our letter to the editor
Hart, C. & A. Sojourner (2015) Unionization and Productivity: Evidence from Charter Schools. Industrial Relations. 55(4): 422-448. Working paper version: IZA.
Press Mentions
- The American Prospect: When Charters Go Union
- Chalkbeat: At ed reform conference, charter school leaders feel the political heat and strategize about how to fend off unions
- Ohio Watchdog: Kids do fine when charter school forms labor union, study shows. Also, at Townhall.com.
- The Detroit News: Do Unions Spell Charter School Doom?
- Worchester (Mass.) Telegram & Gazette Unions no enemy to achievement
- Minnesota Public Radio Union Votes at Two Charter Schools Could Open Way to Others
- Star-Tribune: St. Paul charter school votes to unionize
- Minnesota Public Radio St. Paul charter school's teachers join union
- Pioneer-Press: St. Paul German Immersion School teachers vote for union
- Star-Tribune: German school now state's only unionized charter
Sajjadiani, S., A. Sojourner, J. Kammeyer-Mueller & E. Mykerezi (2019) Using Machine Learning to Translate Pre-Hire Work History into Predictors of Performance and Retention. Journal of Applied Psychology. 104(10):1207-1225.
[Slides] Press Mentions
- Quartz at Work: An experiment to find teachers who perform better and stay longer shows promising results
- Education Week: Taking the Guesswork Out of Teacher Hiring
- Education Week: Districts Are Screening for Racial Biases During Teacher Job Interviews. Here's How
- Nimble: Nimble partners with researchers to identify excellent teachers
- City Pages: Can AI help Minneapolis Public Schools find better teachers who stay longer?
- Carlson School magazine: Aaron Sojourner helps Minneapolis Public Schools invest in their students
- UBC Sauder magazine: Study finds using machine learning can hire better teachers
- U Minnesota Research Brief: Predicting Job Performance and Turnover in Education Using Machine Learning
Goldhaber, D., C. Grout, C. Lindsay, E. Mykerezi, and A. Sojourner (2026) What Do Educator Job Applications Reveal about Preferences for Schools? CALDER Center Working Paper

Aaron Sojourner
Senior Researcher
W.E. Upjohn Institute for Employment Research
269-385-0438
sojourner@upjohn.org
Senior Researcher
W.E. Upjohn Institute for Employment Research
269-385-0438
sojourner@upjohn.org
