Standard insurance models predict that people with high (health) risks have high insurance coverage. It is empirically … traditionally viewed as an intervention which increases efficiency and raises the utility of low health agents, we show that with a … documented that people with high income have lower health risks and are better insured. We show that income differences between …

providers differ in quality and costs. When buying health insurance, consumers observe neither provider quality nor costs. We …We provide a modeling framework to think about selective contracting in the health care sector. Two health care … derive an equilibrium where health insurers signal provider quality through their choice of provider network. Selective …

innovation activities. The selection of high-skill managers is more important for innovation activities. As the economy … approaches the technology frontier, selection becomes more important. As a result, countries at early stages of development … investments, but little selection. Closer to the world technology frontier, there is a switch to an innovation-based strategy with …

What are the welfare effects of a policy that facilitates for insurance customers to privately and covertly learn about … their accident risks? We endogenize the information structure in Stiglitz's classic monopoly insurance model. We first show …

We study a monopoly insurance model with endogenous information acquisition. Through a continuous effort choice …

insurance and preferences are nonseparable. This result appears to support the conclusion of the above mentioned folk theorem …

, equilibrium wage dispersion is necessary for the economy to approximate efficiency. Without wage dispersion, workers do not search …