Brookings Papers on Economic Activity contains the articles, reports, and highlights of the discussions from conferences of the Brookings Panel on Economic Activity.Contents:CASEY ICHNIOWSKI and KATHRYN SHAWOld Dogs and New Tricks: Determinants of the Adoption of Productivity-Enhancing Work PracticesANDREW B. BERNARD and J. BRADFORD JENSENExporters, Jobs, and Wages in U.S. Manufacturing: 1976-1987BEN CRAIG and JOHN PENCAVEParticipation and Productivity: A Comparision of Worker Cooperatives and Convention Firms in the Plywood IndustryFREDERICK H. ABERNATHY, JOHN T. DUNLOP, JANICE H. HAMMOND and DAVID WEILThe Information-Integrated Channel: A Study of the U.S. Apparel Industry in TransitionBOYAN JOVANOVIC and YAW NYARKOA Bayesian Learning Model Fitted to a Variety of Empirical Learning CurvesMARTIN NEIL BAILY and HANS GERSBACHEfficiency in Manufacturing and the Need for Global Competition