To combat adverse selection, governments increasingly base payments to health plans and providers on enrollees' scores from risk-adjustment formulae. In 2004, Medicare began to risk-adjust capitation payments to private Medicare Advantage (MA) plans to reduce selection-driven overpayments. But...

Governments often contract with private firms to provide public services such as health care and education. To decrease firms' incentives to selectively enroll low-cost individuals, governments frequently "risk-adjust" payments to firms based on enrollees' characteristics. We model how risk...

Governments contract with private firms to provide a wide range of services. While a large body of previous work has estimated the effects of that contracting, surprisingly little has investigated how those effects vary with the generosity of the contract. In this paper we examine this issue in...

In 2005, as the result of a World Trade Organization mandate, India began to implement product patents for pharmaceuticals that were compliant with the 1995 Trade-Related Aspects of Intellectual Property Rights (TRIPS). We combine pharmaceutical product sales data for India with a newly gathered...

We analyze the labor market effects of the U.S. Department of Veterans Affairs’ Disability Compensation (DC) program. The largely unstudied DC program currently provides income and health insurance to approximately four million veterans of military service who have service-connected...

New mobile development platforms are a 21st-century growth pole. By successfully recombining existing information technologies with new innovations, they have spurred a positive feedback loop of consumer adoption of mobile devices and firm entry into a wide variety of applications, or...

We estimate how physicians’ financial incentives affect their treatment choices in heart attack management, using a large dataset of private health insurance claims. Different insurance plans pay physicians different amounts for the same services, generating the required variation in...

Participants in defined contribution (DC) retirement plans rarely adjust their portfolio allocations, suggesting that their investment choices and consequent money flows are sticky and not discerning. Yet, the participants’ inertia could be offset by the DC plan sponsors, who adjust the...

This paper investigates the oft-repeated claim that delayed retirement by older workers will result in higher unemployment among the young, a claim which has garnered increased attention in the media in the United States and which drives retirement policy in China. Using 1977-2011 data from the...

In an effort to combat childhood obesity, many schools have banned the sale of carbonated beverages on school grounds. I evaluate the effectiveness of these measures by investigating their impact on household carbonated beverage consumption. I match households in Nielsen Homescan Data to their...