In contrast to standard trade theory, I document that locations facing more foreign competition in the U.S. have: higher job destruction rates, lower job creation rates, and thereby experience higher unemployment rates. To account for these facts, I introduce a simple trade model with...

Starting in the late 1990s, China undertook a dramatic transformation of the large number of firms under state control. Most small state owned firms were privatized or closed. In contrast, large state owned firms were corporatized and and merged into large industrial groups under the control of...

I study risk sharing arrangements in settings characterized with Knightian uncertainty. In general both the demand for insurance and risk perceptions are endogenous and interact in these settings. This paper attempts to identify the key mechanisms affecting insurance in stylized environments...

We explore the role of skill non-neutral productivity differences and barriers to technology adoption in explaining cross-country income differences. Using a model of directed technological change modied to include physical capital, technology diffusion and barriers to entry, and a new data set...

The focus of this work is the development of testing procedures for the existence of change-points in parametric hazard models of various types. Hazard functions and the related survival functions are common units of analysis for survival and reliability modeling. We develop a methodology to...

Mixed models are powerful tools for the analysis of clustered data and many extensions of the classical linear mixed model with normally distributed response have been established. As with all parametric models, correctness of the assumed model is critical for the validity of the ensuing...