In this dissertation I study the effects of mortgage leverage policies. These policies have become widely used in recent years, both as a macroprudential tool and to protect consumers, yet their effects are still not well understood. In Chapter 1, I show that mortgage leverage rules implemented under the Dodd-Frank...
In this dissertation, I cover three different topics in macroeconomics. In Chapter 1, I explore the macroeconomic implications of an increase in business competition and its micro transmission channels. In Chapter 2, I document a rise in savings and cash holdings by non-financial corporations across advanced economies and show that...
This dissertation proposes an oracle efficient estimator in the context of a sparse linear model. Chapter 1 introduces the penalty and the estimator that optimizes a penalized least squares objective. Unlike existing methods, the penalty is differentiable – once, and hence the estimator does not engage in model selection. This...
This dissertation examines three distinct empirical questions in macroeconomics and finance. Chapter 1 studies the reasons why households file for bankruptcy. The debt relief households obtain in bankruptcy provides insurance against wealth losses, but also distorts borrower incentives to repay debt, discouraging lending. Understanding how bankruptcy filings respond to changes...
In the first chapter I introduce the ideas that link selling information to surplus extraction. In my environment the seller may be uncertain about how much the buyer both has already learned before contracting with the seller (belief types) and is able to learn after contracting with the seller (information...
This dissertation explores our understanding of corporate credit ratings. In the first chapter I examine the issue of split ratings. S&P and Moody’s often differ in their initial ratings at bond issuance, producing what is referred to as a split rating. The consensus view in the literature and in practice...
This dissertation looks at the consequences of three different government regulatory policies---the nondistribution constraint (which prohibits managers of nonprofit organizations from distributing profits generated by the nonprofit organization to themselves), the 100/0, 85/15, and 90/10 rules (which restrict the fraction of revenue for-profit colleges and universities can receive from Title...
While it is the ongoing growth in healthcare spending that has been making headlines, improving and maintaining healthcare quality is a critical goal of healthcare policy. In this dissertation I answer three questions relating to healthcare quality: does physician-hospital financial integration improves healthcare quality; how physician-hospital financial integration improves healthcare...
The patent system seeks to strike the ideal balance between competition and the rate of innovation – not to maximize innovation unconditionally. Clearly there must be limits on the manner and degree to which patents are used to diminish competition. A critical complication, however, is that this boundary is often...
This dissertation comprises three essays on industrial organization. In Chapter 1 I study the productivity effects of corporate diversification, where productivity is understood as a measure of sales per input at the productive unit level, and diversified firms are defined as firms that operate in different industries. I develop and...