00625nam a2200145Ia 450000500170000008000180001710000190003524501230005426000350017730000120021252002070022458300190043194200120045099900170046220260716043142.0  a16.04.01 L665  aLevinson, Arik  aEfficient environmental regulation: case studies of urban air pollution: Los Angeles, Mexico City, Cubatao, and Ankara  bIBRDaWashington, D.C.USc1992  aii,56p.  aReviews the economic principles on which policy choices should be based and considers how they may be applied in the real world. Examines four cities that continue to face serious air polution problems.  c3/7/00kM2LMGR  cMmL665  c41412d41412