A principal delegates multiple decisions to an agent, who has private information relevant to each decision. The principal is uncertain about the agent's preferences. I solve for max-min optimal mechanisms? those which maximize the principal's payoff against the worst case agent preference...

I present a simple and tractable model of the optimal taxation of married couples, working off of the multidimensional screening framework of Armstrong and Rochet (1999). In particular, I study how the tax code varies with the degree of assortative mating. One result is that the "negative...

Consider an environment where long-lived experts repeatedly interact with short-lived customers. In periods when an expert is hired, she chooses between providing a profitable major treatment or a less profitable minor treatment. The expert has private information about which treatment best...

Climate change is anticipated to have a significant impact on coastal infrastructure, including navigational aids and ports. This paper presents the results of a vulnerability assessment of ports in Australia to climate change. Results reveal variable vulnerability in ports in the short and long...

We analyze the welfare consequences of a monopolist having additional information about consumers' tastes, beyond the prior distribution; the additional information can be used to charge different prices to different segments of the market, i.e., carry out "third degree price discrimination." We...

We analyze the welfare consequences of a monopolist having additional information about consumers' tastes, beyond the prior distribution; the additional information can be used to charge different prices to different segments of the market, i.e., carry out "third degree price discrimination." We...

We analyze the welfare consequences of a monopolist having additional information about consumers' tastes, beyond the prior distribution; the additional information can be used to charge different prices to different segments of the market, i.e., carry out "third degree price discrimination." We...