We formulate an infinite-horizon Bayesian learning model in which the planner faces a cost from switching actions that does not approach zero as the size of the change vanishes. We recast the model as a dynamic programming problem which will always have a continuous value function and an optimal...

I survey much evidence on mortality in Iraq, including data from the first and second Lancet surveys. The second Lancet survey is inconsistent with all credible and relevant information on levels and trends in violent deaths and on the geographical distribution of violence. I discuss weaknesses...

This paper considers the second Lancet survey of mortality in Iraq published in October 2006. It presents some evidence suggesting ethical violations to the survey's respondents including endangerment, privacy breaches and violations in obtaining informed consent. Breaches of minimal disclosure...