While inferring markups from demand data is common practice, estimation relies on difficult-to-test assumptions, including a specific model of how firms compete. Alternatively, markups can be inferred from production data, again relying on a set of difficult-to-test assumptions, but a wholly...

The view that the strength of the dollar in the early 1980s was associated with persistent restructuring of United States industry is supported by correlations between exchange rate patterns and data on business formation, business failure and sectoral investment in new plant and equipment....

We describe changes over time in inequality in postsecondary education using nearly seventy years of data from the U.S. Census and the 1979 and 1997 National Longitudinal Surveys of Youth. We find growing gaps between children from high- and low-income families in college entry, persistence, and...

Theory suggests that bank integration (financial integration generally) can magnify or dampen the business cycles, depending on the importance of shocks to firm collateral versus shocks to the banking sector. In this paper, we show empirically that bank integration across U.S. states over the...

We examine the impact of loss of U.S. patent exclusivity (LOE) on the prices and utilization of specialty drugs between 2001 and 2007. We limit our empirical cohort to drugs commonly used to treat cancer and base our analyses on nationally representative data from IMS Health. We begin by...

During the 1980s the share of prescriptions sold by retail pharmacies that was accounted for by generic products roughly doubled. The price response to generic entry of brand-name products has been a source of controversy. In this paper we estimate models of price responses to generic entry in...

We provide a general framework for investigating partial identification of structural dynamic discrete choice models and their counterfactuals, along with uniformly valid inference procedures. In doing so, we derive sharp bounds for the model parameters, counterfactual behavior, and...

We study the entry and exit of firms across U.S. industries over the past 40 years. The elasticity of entry with respect to Tobin’s Q was positive and significant until the late 1990s but declined to zero afterwards. Standard macroeconomic models suggest two potential explanations: rising...

With increasing frequency, generic drug manufacturers in the United States are able to challenge the monopoly status of patent-protected drugs even before their patents expire. The legal foundation for these challenges is found in Paragraph IV of the Hatch-Waxman Act. If successful, these...