The extent and direction of causation between micro volatility and business cycles are debated. We examine, empirically and theoretically, the source and effects of fluctuations in the dispersion of producer-level sales and production over the business cycle. On the theoretical side, we study...

We build a micro-founded two-country dynamic general equilibrium model in which trade responds more to a cut in tariffs in the long run than in the short run. The model introduces a time element to the fixed-variable cost trade-off in a heterogeneous producer trade model. Thus, the dynamics of...

We define a class of bias problems that arise when purchasers shift their expenditures among sellers charging different prices for units of precisely defined and interchangeable product items that are nevertheless regarded as different for the purposes of price measurement. For...

A speech presented at "Food and Water - Basic Challenges to International Stability," 2009 Global Conference Series (Part 4), (Global Interdependence Center (GIC) in partnership with the University of Chicago Booth School of Business, Singapore, November 19, 2009

This paper argues that the rate of intangible investment – investment in the development and marketing of new products – accelerated in the wake of the electronics revolution in the 1970s. The paper presents preliminary direct and indirect empirical evidence that US private firms currently...