A major source of controversy in U.S. health care is the practice of “defensive medicine,” an unintended effect of the liability system in which physicians order extraneous tests and procedures as a result of fears over medical liability. Existing evidence on the importance of this issue is quite mixed, however, partly because of the difficulty of finding a clean comparison between groups who are and are not subject to malpractice pressure.
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Find out more »PER Distinguished Lecture: Lars Peter Hansen, "Pricing Uncertainty Induced by Climate Change" Friday, April 13, 2018 11:00am-12:30pm 1512 International Affairs Building Press here to RSVP for planning purposes. Climate science documents uncertainty induced by alternative emission scenarios and alternative models, and it constructs simplified approximations to complex models. This lecture examines the extent to which if these components of uncertainty matter in an economic setting and over what time horizons. To address this problem we pose a hypothetical social planning…
Find out more »PER Distinguished Lecture: Vincent P. Crawford, “Efficient Mechanisms for Level-k Bilateral Trading” Friday, April 20, 2018 10:30am-12:00pm Deutsches Haus, Columbia University Press here to RSVP for planning purposes. Professor Vincent P. Crawford revisits Roger Myerson and Mark Satterthwaite’s (1983; “MS”) analysis of mechanism design for bilateral trading, replacing equilibrium with a non-equilibrium “level-k” model that predicts initial responses to games, and focusing on direct mechanisms. The revelation principle fails for level-k models. However, if only level-k- incentive-compatible mechanisms are feasible,…
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