Big cities specialize in services rather than manufacturing. Big-city establishments in services are larger than the national average while those in manufacturing are smaller. This paper proposes an explanation of these and other facts. The theory is developed in an economic geography model that...

a speech before Leadership South Carolina, Greenville, South Carolina

Shimer (2005) argues that the Mortensen-Pissarides (MP) model of unemployment lacks an amplification mechanism because it generates less than 10 percent of the observed business cycle fluctuations in unemployment given labor productivity shocks of plausible magnitude. This paper argues that part...

In the last half of the 1990s, labor productivity growth rose in the U.S. and fell almost everywhere in Europe. We document changes in both capital deepening and multifactor productivity (MFP) growth in both the information and communication technology (ICT) and non-ICT sectors. We view MFP...

This paper models a firm's choice of employment adjustment costs as one component of its choice of production process. In making a one-time choice of production process, firms tradeoff increased flexibility--the reduced cost of changing levels of production--against the diminished efficiency of...

In this paper, we decompose aggregate labor productivity growth in order to gauge the relative importance of multinational corporations (MNCs) to the economic performance of the United States in the 1990s. As we define it, the MNC sector refers to the U.S. activities of multinational...

This paper presents new empirical evidence on the cyclical behavior of US unemployment that poses a challenge to standard search and matching models. The correlation between cyclical unemployment and the cyclical component of labor productivity switched sign in the mid 80s: from negative it...