00290nam a2200097Ia 4500008004100000040002900041050002300070100005000093245001900143260003000162221216s9999||||xx |||||||||||||| ||und||  cChuka University Library  aHB 172b .B47 2008  aBernheim, B. Douglas and Michael D. Whinistan 0aMicroeconomics  aMcGraw HillbBostonc2008