Using a sample of over 0.3 million marathon runners in 37 cities and 55 races in China in 2014 and 2015, we estimate the air pollution elasticity of finish time to be 0.041. Our causal identification comes from the exogeneity of air pollution on the race day because runners are required to...

Source: Dissertation Abstracts International, Volume: 68-06, Section: A, page: 2588.

This is a study of market organization in very different settings.In the first chapter, I study how the choices by students to “rush” fraternities, and those of fraternities of whom to admit, interact with the signals that firms receive about student productivities to determine labor market...

Three urban growth theories predict parallel growth of cities. The endogenous growth theory predicts deterministic parallel growth; the random growth theory implies that city growth follows Gibrat’s law with a steady-state distribution; and the hybrid growth theory suggests the co-movement of...

This paper investigates volatility switching in the Shanghai Stock Exchange (SSE hereafter,) using several recently developed techniques. They can be categorized into CUSUM type tests and Markov-Switching ARCH models. By detecting and dating switches with these models, we are able to show the...

The Chinese Stock market had a special feature up to 2001 in that the stocks trading was segmented according to the type of investor (domestic and foreign). Since companies can issue both A shares (for domestic residents) and B shares (foreign investors) and the legal status of these shares are...