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This thesis consists of three chapters. The first chapter extends the recent result of Athey and Wager on the asymptotic normality of random forest estimators to a multivariate setting; in particular, we examine stability ...

This thesis comprises three essays on the industrial organization of health care markets. In the first essay, joint with Mert Demirer, I study how formulary-contingent rebates affect insurers formulary placement of branded ...

This thesis consists of three chapters on technological innovation, diffusion, and practice style among physicians. The first chapter investigates the effect of age on a surgeon's propensity to use new medical procedures. ...