Curriculum Vitae (PDF version)

Education & Experience:
   (Ph. D., Princeton University) Ham is currently Professor and Chair, USC since 2005; Research Associate IZA; and Visiting Scholar Federal Reserve Bank of San Francisco. He previously held permanent faculty member positions at Toronto, Pitt, and Ohio State, and has been a visitor at Northwestern, Penn, Princeton, and the New York Fed. He is currently an editorial board member at the Journal of Econometrics and Labour Economics, and was a previous member of the NSF Review Panel.  

Select Publications:

    "Priorities and Sequencing in privatization:Theory and Evidence from the Czech Republic." April 2007. Forthcoming, European Economic Review. Joint with N. Gupta, University of indiana and J. Svejnar, university of Michigan.
    "Selection Bias, Demographic Effects and Ability Effects in Common Value Auction Experiments." (with Marco Casari and John Kagel), Appendix, September 2007, American Economic Review.

    "Gender Effects in Private Value Auctions." Economics letters, Vol. 92, 2006, pp. 375-382. Joint with J. Kagel.
    "Did Expanding Medicaid Affect Welfare Participation?" (with Lara Shore-Sheppard), Industrial and Labor Relations Review,2005.            
    "The Effect of Medicaid Expansions for Low-Income Children on Medicaid Participation and Private Insurance Coverage: Evidence from the SIPP" (with Lara Shore-Sheppard), Journal of Public Economics, 2005.
    "Randomization, Endogeneity and Laboratory Experiments in Economics" (with J. Kagel and S. Lehrer), Journal of Econometrics, 2005.
    "Testing Intertemporal Substitution, Implicit Contracts, and Hours Restriction Models of the Labor Market using Micro Data" (with Kevin T. Reilly), Additional Results Appendix, Data Appendix, American Economic Review, 2002.
   "Alternative Methods of Estimating Program Effects in Event History Models" (with Curtis Eberwein and Robert J. LaLonde), Labour Economics 2002.
   "The Failure of Full Insurance: Its Causes and its Sensitivity to Stochastic and Economic Assumptions" (with K. Jacobs), Journal of Business and Economic Statistics, 2000.
   "The Unemployment Experience of Women During the Transition: Evidence from the Czech and Slovak Republics" (with J. Svejnar and K. Terrell), Economics of Transition 1999.
    "Unemployment, the Social Safety Net and Efficiency During Transition: Evidence from Micro Data on Czech and Slovak Men" (with J. Svejnar and K. Terrell), American Economic Review, 1998.
    "Search Costs, Fixed Costs and Labor Force Participation" (with R. Blundell and C. Meghir), Research in Economics, 1998.
    "The Impact of Being Offered and Receiving Classroom Training on the Employment Histories of Disadvantaged Women:  Evidence From Experimental Data" (with C Eberwein and R. LaLonde), The Review of Economic Studies, 1997.
    "Time-of-Use Prices and Electricity Demand: Allowing for Selection Bias in Experimental Data" ( with D. Mountain and L. Chan), The Rand Journal of Economics, 1997.
    "The Effect of Sample Selection and Initial Conditions in Duration Models:  Evidence from Experimental Data on Training"  (with R. LaLonde), Econometrica, 1996.

Most Recent Working Papers:

    "A Re-Examination of the Impact of Welfare Reform on Health Insurance Among Less-Skilled Women." August 2007. Joint with L. Shore-Sheppard. Submitted to a Conference Volume.

    "Correcting for Seam Bias when Estimating Discrete Variable Models, with an Application to Analyzing the Employment Dynamics of Disadvantaged Women in the SIPP." August 2007. Joint with X. Li, York University and L. Shore-Sheppard.

    "The Hausman Test and Weak instruments " May 2007. Joint with J. Hahn, UCLA and R. Moon, University of Southern California. (Appendix).

    "Closed form Analytic First and Second Derivatives for Popular Specifications of Structural Models." August 2006. Joint with C. Eberwein. Under revision at the request of Economics Letters.

    "Estimating the Effect of Policy Changes on Participation in Medicaid While Allowing for heterogeneous Treatment Effects Based on Observables and Unobservables." January 2007. Joint with S. Ozbekik, Ohio State university and L. Shore-Sheppard. Submitted. (zip file with STATA programs used in the paper).
    "Using Micro Data to Estimate the Intertemporal Substitution Elasticity for Labor Supply in an Implicit Contract Model"(with Kevin T. Reilly), July 2006.
    "Propensity Score Matching, a Distance-Based Measure of Migration, and the Wage Growth of Young Men"(with Xianghong Li and Patricia B. Reagan), February 2006.