单选题 Which of the following is most likely to cause the short-run aggregate supply shift to the right?
A. An increase in nominal wages.
B. A decrease in government subsidies.
C. Appreciation of domestic currency.

【正确答案】 C
【答案解析】[解析] 本币升值会使得进口成本降低，导致企业的生产成本降低，进而增加产量，从而增加短期总供给。名义工资上升和政府补助下降都会减少短期总供给。