New Work
"Does Your Kindergarten Class Improve Long Run Education Outcomes? New Data and Evidence from Project STAR" Under Review. (Working paper at SSRN)
“What did we learn from the North American Income Maintenance Experiments? New data and evidence on two-parent families.” Journal of Public Economics, 2026. (with Craig Riddell)
Selected Past Publications
Labour/Social Policy
Welfare versus Work under a Negative Income Tax: Evidence from the Gary, Seattle, Denver and Manitoba Income Maintenance Experiments, Journal of Labor Economics, Volume 42, 2024. (with Craig Riddell)
Interpreting Experimental Evidence in the Presence of Post-randomization Events: A Reassessment of the Self-Sufficiency Project, Journal of Labor Economics, Volume 38, 2020. (Purvis Prize) (with Craig Riddell)
The Pitfalls of Work Requirements in Welfare-to-Work Policies: Experimental Evidence on Human Capital Accumulation in the Self-Sufficiency Project, Journal of Public Economics, Volume 117, 2014. (with Craig Riddell)
Disability Policy and the Labor Market: Evidence from a Natural Experiment in Canada, 1998-2006. Journal of Public Economics, Volume 96, 2012. (with Michele Campolieti)
The Long-term Effects of Unemployment Insurance: Evidence from New Brunswick and Maine, 1940-1991, Industrial and Labor Relations Review, Volume 63, 2010. (with Peter Kuhn)
Welfare Checks, Drug Consumption and Health Outcomes: Evidence from Vancouver Injection Drug Users, Journal of Human Resources, Volume 41, 2006. (with Rosemarie Riddell)
Collective Bargaining and Labour Law
Does Mediation-Arbitration Reduce Arbitration Rates? Evidence from a Natural Experiment, Industrial and Labor Relations Review, Volume 73, 2020. (with Michele Campolieti)
Do Multinationals Comply with Employment Laws? An Empirical Assessment using Administrative Data from Ontario, 2004-2015, Industrial and Labor Relations Review, Volume 72, 2019. (with Dionne Pohler)
Labor Law Reform and the Role of Delay in Union Organizing: Empirical Evidence from Canada, Industrial and Labor Relations Review, Volume 61, 2007. (with Michele Campolieti and Sara Slinn)
Union Certification Success under Voting versus Card-Check Procedures: Evidence from British Columbia, 1978-1998, Industrial and Labor Relations Review, Volume 57, 2004.