A Big Mac meal costs $5 in the United States and 50 pesos in Mexico. The market exchange rate between U.S. dol…

Question

A Big Mac meal costs $5 in the United States and 50 pesos in Mexico. The market exchange rate between U.S. dollars and pesos is 20 pesos per $1. Average income per capita in the United States is $60,000, and average income per capita in Mexico is 200,000 pesos. Measured using the market exchange rate, Mexican income per capita in U.S. dollars is ______. Adjusted for Purchasing Power Parity (using the Big Mac meal as the basket of goods), Mexican income per capita is ______.
(A) $10,000; $20,000
(B) $20,000; 4,000 Big Macs
(C) $40,000; 40,000 pesos
(D) $400,000; $40,000

Accepted Answer

正確答案為 A。 透過市場匯率換算墨西哥所得為 $10,000，再利用大麥克價格算出 PPP 匯率為 10 pesos/$，換算 PPP 所得為 $20,000。 (A) 【PPP與匯率換算】市場匯率換算：200,000 ÷ 20 = $10,000；PPP 匯率為墨西哥物價除以美國物價 (50 ÷ 5 = 10 pesos/$)，PPP 所得換算：200,000 ÷ 10 = $20,000。 (B) 【單位與計算錯誤】市場匯率換算錯誤，且 PPP 調整後的所得應以「美元」為單位表示，而非大麥克的數量。

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