Question: Ted has the following utility function: U(x 1 , x 2 ) = 20x 1 (x 1 )^2 + 2(x 2 ). The price of
Ted has the following utility function: U(x1, x2) = 20x1 (x1)^2 + 2(x2). The price of good 2 is p2 = 1. Let p1 denote the price of good 1 and m denote Ted's income.
(a) Assume that m and p1 are such that Ted consumes positive amounts of both goods. Derive Ted's ordinary demand for good 1 (quantity of good 1 demanded as a function of the price of good 1 p1).
(b) Briefly motivate why the quantity of good 1 demanded does not vary with Ted's income m (so long as Ted consumes positive amounts of both goods). How does Ted respond to an increase in income m?
(c) What conditions for the price p1 and income m must be satisfied to ensure that Ted consumes positive amounts of both goods?
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