We analyze the effect of local-level labor market concentration on wages. Using plant-level
US Census data during 1978–2016, we find that:(i) local-level employer concentration …

We propose two distinct approaches to the measurement of industry upstreamness (or
average distance from final use) and show that they yield an equivalent measure …

We develop a property‐rights model of the firm in which production entails a continuum of
uniquely sequenced stages. In each stage, a final‐good producer contracts with a distinct …

China's increased trade with, and investment in, Africa have boosted the continent's
economic growth but have also generated considerable controversy. The aggregate data on …

We investigate the role of uncertainty in business cycles. First, we demonstrate that
microeconomic uncertainty rises sharply during recessions, including during the Great …

We study the collapse of international trade flows during the global financial crisis using
detailed data on monthly US imports. We show that credit conditions were an important …

Existing political economy models explain the politics of trade policy using inter-industry
differences. However, this article finds that much of the variation in US applied tariff rates in …

Prices are typically used as proxies for countries' export quality. I relax this strong
assumption by exploiting both price and quantity information to estimate the quality of …

This article develops a general equilibrium model of multiple-product, multiple-destination
firms, which allows for heterogeneity in ability across firms and in product attributes within …

This paper examines the frequency, pervasiveness, and determinants of product switching
by US manufacturing firms. We find that one-half of firms alter their mix of five-digit SIC …