Re: JNU ECOM 2011 QUES 47-56

Posted by jack on Apr 14, 2014; 4:53pm
URL: http://discussion-forum.276.s1.nabble.com/JNU-ECOM-2011-QUES-47-56-tp7585392p7586911.html

Q.51
ed=.2
change in Q=(-.56)
TR=P.Q
take log both side
logTR=logp+logQ
total differentiate
so, total expenditure=change in P+ change in Q
                             =2.8+(-.56)
                             =2.2