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Opinions

Apprenticeship Programs in a Changing Economic World(June 28, 2017)

In a knowledge-based economy, early employment gains with vocational training may lead to later problems when specific skills become obsolete.

Emulating Germany’s Apprenticeship System Won’t Make America Great Again(June 23, 2017)
We should not delude ourselves into thinking that Trump’s apprenticeship expansion will substitute for our failing K-12 schooling system
German-Style Apprenticeships Simply Can't Be Replicated(June 18, 2017)
Say the words “apprenticeship program” : Young people welcomed by companies that want to train them to become skilled workers. But adapting the German system for the U.S. is little more than a dream.

Recent Publications

Economic Gains from Educational Reform by US States. (with Jens Ruhose and Ludger Woessmann). Journal of Human Capital, 11(4), Forthcoming (Winter 2017).
Knowledge Capital and Aggregate Income Differences: Development Accounting for U.S. States. (with Jens Ruhose and Ludger Woessmann). American Economic Journal: Macroeconomics, 9(4) , October 2017.
Defining Productivity in Education: Issues and Illustrations. (with Elizabeth Ettema). The American Economist, Forthcoming.
Coping with Change: International Differences in the Returns to Skills. (with Guido Schwerdt, Simon Wiederhold, and Ludger Woessmann) . Economic Letters, 153, April 2017, 15-19.
General Education, Vocational Education, and Labor-Market Outcomes over the Life-Cycle. (with Guido Schwerdt, Ludger Woessmann, and Lei Zhang). Journal of Human Resources, 52(1), Winter 2017, pp. 49-88.