Paul Shea Bates College   655 Goodpasture Is. Rd. Apt. 117 Eugene, OR 97401 USA   pshea@bates.edu   http://uoregon.edu/~pshea   Biographical Sketch: Bates College pshea@bates.edu       JEL Areas: D8 : Information, Knowledge, and Uncertainty: General C5 : Econometric Modeling: General