A.
real GDP equals potential GDP.实际GDP等于潜在的GDP。
B.
the price level is fixed and aggregate demand determines real GDP.价格水平固定,总需求决定实际GDP。
C.
real GDP and the price level are determined by short-run aggregate supply and aggregate demand and long-run aggregate supply is irrelevant.实际GDP和价格水平由短期总供给和总需求决定,长期总供给是无关紧要的。
D.
real GDP is less than potential GDP.实际GDP低于潜在的GDP。