Consider an industry with n firms with outputs y¹,..y", facing an input price vector W= (W1₁,..wn). The total industry output is Y = 19. The firms' cost functions are Ci(w, y) = a(w) + 0¹ (w) [y] (to avoid confusion, note that [y] is y to the power 3), j = 1..n, where a (w) and (w) are functions of input prices. The industry aggregate costs are C = -1 C (w, y). When can the aggregate costs be written as some function of input prices and total industry output (namely, when can it be written as C = a(w) + 0(w)Y)? (a) when a; (w) = 0 for all firms (b) when (w) is the same (0 (w) = 0(w)) for all firms (c) when 3 = 1 for all firms (d) when 3 = 1 and 0¹ (w) = 0(w) for all firms
Consider an industry with n firms with outputs y¹,..y", facing an input price vector W= (W1₁,..wn). The total industry output is Y = 19. The firms' cost functions are Ci(w, y) = a(w) + 0¹ (w) [y] (to avoid confusion, note that [y] is y to the power 3), j = 1..n, where a (w) and (w) are functions of input prices. The industry aggregate costs are C = -1 C (w, y). When can the aggregate costs be written as some function of input prices and total industry output (namely, when can it be written as C = a(w) + 0(w)Y)? (a) when a; (w) = 0 for all firms (b) when (w) is the same (0 (w) = 0(w)) for all firms (c) when 3 = 1 for all firms (d) when 3 = 1 and 0¹ (w) = 0(w) for all firms
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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