List of contributors. Preface (C. Holt, R.M. Isaac). An experimental analysis of emission permits with banking and the clean air act amendments of 1990 (M.B. Cronshaw, J. Brown Kruse). Experimental research on the epa's "two-tier" system for marketable emissions permits (R. Franciosi, R.M. Isaac and S. Reynolds). A laboratory test of a Canadian proposal for an emissions trading program (S. Mestelman, R. Moir and R.A. Muller). Speculation in experimental markets for emission permits (T.N. Cason, S.R. Elliott and M.R. Van Boening). Market power in emission permit double auctions (R. Godby). Understanding experimental economics and policy analysis in a federal agency: the case of marketable emissions trading (D. Bjornstad, S.R. Elliott and D.R. Hale). Temporal properties of a market for emission permits with banking (M.B. Cronshaw, J. Brown Kruse).