Modeling the offshoring of white-collar services : from comparative advantage to the new theories of trade and foreign direct investment / James R. Markusen -- Service offshoring : threats and opportunities / Daniel Trefler -- Tradable services : understanding the scope and impact of services...

Introduction / John Chubb and Tom Loveless -- Would smaller classes help close the Black-white achievement gap? / Alan B. Krueger and Diane M. Whitmore -- Exploring explanations for ethnic differences in voucher impacts on student test scores / Paul E. Peterson and William G. Howell -- Reducing...