In Arrow's seminal analysis of optimal risk bearing in which he introduced contingent claim securities, he assumed preferences were representable by a state independent Expected Utility function. Although the classic contingent claim setting assumes agents choose over contingent consumption...

Some people believe that nudges undermine human agency, but with appropriate nudges, neither agency nor consumer freedom is at risk. On the contrary, nudges can promote both goals. In some contexts, they are indispensable. There is no opposition between education on the one hand and nudges on...

In diverse areas – from retirement savings, to fuel economy, to prescription drugs, to consumer credit, to food and beverage consumption – government makes personal decisions for us or helps us make what it sees as better decisions. In other words, government serves as our agent. Understood...

In the modern regulatory state, there is a serious tension between two indispensable ideas. The first is that it is important to measure, both in advance and on a continuing basis, the effects of regulation on social welfare, usually through cost-benefit analysis. The second idea, attributable...

Findings in behavioral science, including psychology, have been influencing policies and reforms in many nations. “Choice architecture” can affect outcomes even if material incentives are not involved. In some contexts, default rules, simplification, and uses of social norms have been found...

We study optimal insurance demand for a risk- and ambiguity-averse consumer under ambiguity about contract nonperformance. Ambiguity aversion lowers optimal insurance demand and the consumer's degree of ambiguity aversion is negatively associated with the optimal level of coverage. A more...

Precautionary saving typically refers to the additional investment in a risk free asset when exogenous labor income is risky versus certain. When risky income results endogenously from the investment in a risky asset, the meaning and characterization of precautionary saving change and far less...

Risk preferences of individual investors can be very different from the aggregate economy's preference for risk. To demonstrate this, we investigate aggregate properties of an economy where all investors have convex utility functions corresponding to risk seeking behavior and we investigate the...

Using a unified approach, we show how precautionary saving, self-protection and self-insurance are jointly determined by risk preferences and the preference over the timing of uncertainty resolution. We cover higher-order risk effects and examine both risk averters and risk lovers. When...

Should there be a right not to be manipulated? What kind of right? On Kantian grounds, manipulation, lies, and paternalistic coercion are moral wrongs, and for similar reasons; they deprive people of agency, insult their dignity, and fail to respect personal autonomy. On welfarist grounds,...