Rapid economic growth tends to increase the degree of income mobility

The growth successes of the high performance Asian economies

A) supports the belief that economic development requires import substitution policies. B) rejects the belief that export-oriented industrialization is likely to promote economic development. C) rejects the belief that economic development requires import substitution policies. D) suggests that free trade policies are required for successful economic development. E) enforces United States' hesitation to trade with developing countries.

The cost-minimizing rule is that a firm should utilize inputs such that the marginal physical product of an input divided by the price of the input is the same for all inputs. This is also the profit-maximizing rule because

A) we obtain the profit-maximizing rule by multiplying each ratio by the marginal revenue produced. B) we obtain the profit-maximizing rule by multiplying each ratio by the product price, which is the same for each input. C) the profit-maximizing rule is just the inverse of the cost-minimizing rule. D) they are exactly the same.