1. Which is not the property of in difference curve analysis?
(a) Indifference curves slop
(b) Indifference curves are concave
(c) Indifference curves can never intersect
(d) A higher indifference a higher level satisfaction
(a) relationship between two variable
(b) relationship between inputs and output
(c) physical relationship between input and output
(d) relationship between capital and labour expressed