The optimum quantity of an input occurs when
a. diminishing returns set in.
b. marginal revenue product equals input price.
c. marginal physical product equals input price.
d. marginal revenue product equals output price.
b
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For each of the following transactions, explain what happens to the merchandise trade balance, current account balance, and financial account balance in both the United States and Mexico. The exchange rate is 2 Mexican pesos per U.S. dollar
(a) A Mexican firm spends 4 million pesos to buy radiology equipment from a U.S. firm. (b) A U.S. firm buys 20,000 sombreros at 20 pesos each. (c) Mexican computer firms send 200 programmers to universities in the United States, paying tuition and expenses of $3000 each. (d) A Mexican entrepreneur gives 50,000 pesos to the United Way of San Antonio, Texas. (e) Mexican investors buy $10 million worth of 30-year U.S. Treasury bonds.
Briefly explain how specialization and trade can benefit nations
What will be an ideal response?