00398pab a2200133 454500008004000000100002400040245007100064260000900135300001200144362001100156650003800167650002200205773003700227180718b2009   xxu||||| |||| 00| 0 eng d  aMetcalf, Gilbert E.  aMarket-based policy options to control US greenhouse gas emissions  c2009  ap.5-27.  aSpring  aGreenhouse effect - United States  aGreenhouse effect  aJournal of Economic Perspectives