jnu sis doubts

Posted by shietal on May 07, 2014; 3:02am
URL: http://discussion-forum.276.s1.nabble.com/jnu-sis-doubts-tp7588770.html

can someone please help me with the following questions

1. the utility function u(x) = x^a - 1/ a
concave and increasing
convex and increasing
concave and decreasing
convex and decreasing

2 the consumption set
c = (x,y) belongs to R ^2 x>= x degree>0 y>=y degree >0 is
bounded
convex
convex and bounded
neither convex nor bounded

how to measure the elasticity of demand for imports from offer curves?

JNU 2013

I need help in q 21, q 24

is the 25th answer c

please help

thanks