We analyze optimal trading mechanisms in environments where each trader owns some units of a good to be traded and may be either a seller or a buyer, depending on the realization of privately observed valuations. First, the concept of virtual valuation is extended to ex ante unidentified...

Suppose an entrepreneur needs funds from a financier to invest in a risky project whose cost is fixed, and whose return may be high or low. Suppose also that the project's realized return is an information that is private to the entrepreneur. If the amount the entrepreneur pays back to the...

The recent automobile liability insurance crisis in Atlantic Canada has prompted the four provincial legislations (Newfoundland and Labrador, New Brunswick, Nova Scotia and Prince Edward Island) to setup a task force to redesign, if necessary, the personal automobile insurance system. After...