We use transaction-level data to study changes in the concentration of US imports. Concentration has fallen in the typical industry, while it is stable by industry and origin country. The fall in concentration is driven by the extensive margin: the number of exporting firms has grown, and the...

We use transaction-level data to study changes in the concentration of US imports. Concentration has fallen in the typical industry, while it is stable by industry and country of origin. The fall in concentration is driven by the extensive margin: the number of exporting firm has grown, and the...

Most international commerce is carried out by multinational firms, which use their foreign affiliates for the majority of their foreign sales. In this paper, I examine the determinants of multinational firms' location and production decisions and the welfare implications of multinational...

Based on the publicly available information on the data sources and methodology used by the Census Bureau to estimate e-commerce and physical retail sales, and based on detailed e-mail communications with the Census official responsible for the retail trade data, we found, in a version of this...

The United States spends twice as much per person on pharmaceuticals as European countries, in large part because prices are much higher in the US. This fact has led policymakers to consider legislation for price controls. This paper assesses the effects of a US international reference pricing...

It is widely known that demand-pull policies in the United States, especially the federal investment tax credits (ITC) and the California Solar Initiative (CSI), have led to a rapid escalation in the installation of solar photovoltaic (PV) systems. But there has been little systematic study into...

This paper evaluates the recent literature claiming that the US economy has generally become less competitive causing the US economy to perform poorly and that lax antitrust policy is one important reason for the decline in economic performance. Although there certainly are empirical facts...

I estimate a theoretically and statistically satisfying model to account for the demand for lease renewals for one of the largest Real Estate Investment Trust companies (REIT) in the U.S. The variables that together account for ninety eight percent of the variation in the demand for lease...

National industrial concentration in the U.S. has risen sharply since the early 1980s, but there remains dispute over whether local geographic concentration has followed a similar trend. Using near population data from the Economic Censuses, we confirm and extend existing evidence on national...