We consider a simple dynamic model of environmental taxation that exhibits time inconsistency. There are two categories of firms, Believers, who take the tax announcements made by the Regulator to face value, and Non-Believers, who perfectly anticipate the Regulator's decisions, albeit at a...

Based on empirical evidence, a simple model of oil exploration and discovery is deyeloped, which emphasizes the stochastics of the discovery process and its informational aspects. Open-loop-feedback, m-measurement-feedback and closed-loop optimal exploratory strategies are derived. In...