TY - JOUR A1 - Murphy, J J A1 - Stranlund, J K T1 - Direct and market effects of enforcing emissions trading programs: an experimental analysis. Y1 - 2006// N1 - R829608 JF - JOURNAL OF ECONOMIC BEHAVIOR & ORGANIZATION J1 - J ECON BEHAV ORGAN VL - 61 IS - 2 SP - 217 EP - 233 ER -