Shareholders want a firm's objective function to place some weight on consumer welfare, motivated by both self-interested and altruistic motivations. Firms have a unique technology for improving consumer welfare: lowering inefficient price markups, which increases consumer welfare more than it...

Insurance affects the variability of consumption over time, which is not captured in standard expected utility of wealth models. We develop a consumption-utility model that shows how liquidity constraints and borrowing costs impact the value of insurance. Liquidity constraints generate high...

Intertemporal tradeoffs play a key role in many personal decisions and policy questions. We describe models of intertemporal choice, identify empirical regularities in choice, and pose new questions for research. The focus for intertemporal choice research is no longer whether the exponential...

Prices negotiated between payers and providers affect a health insurance contract's value via enrollees' cost-sharing and self-insured employers' costs. However, price variation across payers is hard to observe. We measure negotiated prices for hospital-payer pairs in Massachusetts and...