European countries experienced a large increase in labor supply due to the influx of
Ukrainian refugees after the 2022 Russia invasion of Ukraine. We study its dynamic effects …

We study optimal dynamic trade policies in an Eaton-Kortum model with technology diffusion
through trade. The process of innovation and diffusion is one in which new ideas are …

This paper undertakes a decomposition of China's firm-transaction-level exports with an
emphasis on aggregates thereof at the prefectural level. Chinese prefectures are large and …

We argue that incomplete markets and income risk explain a large fraction of moving rates,
especially for low-wealth individuals. We reach this conclusion by developing a quantitative …

We develop a tractable growth model to study the dynamic macroeconomic effects of
multinational production (MP) across countries. In this model, MP is the vehicle of …

Job selection by high-skilled foreign-born workers in the US correlates strongly with country
of origin. We use a Fréchet-Roy model of occupational choice to evaluate the causes of …

Economies transform at an uneven pace. This paper develops a dynamic overlapping
generations model of economic geography where historical exposure to different industries …

How effective are local environmental policies in fostering clean technology in a globalized
world? To address this question, I develop a dynamic general equilibrium semi-endogenous …

We build a dynamic model of an urban area which combines key features of quantitative
spatial models and macro-housing models. It integrates a large number of locations, forward …

The spatial concentration of talent is a robust pattern of modern economies. While the
sorting of individuals into cities begets regional disparities, it may benefit aggregate …