Cobb-Douglas production function have decreasing returns to scale.
Answer the following statement true (T) or false (F)
False
Rationale: Cobb-Douglas production functions have increasing returns to scale if the exponents on the inputs sum to something greater than 1.
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According to the new Keynesian theory, the widespread importance of small menu costs results in variations in aggregate demand causing both
A) smaller short-run adjustments in real GDP and immediate adjustment in the price level. B) smaller short-run adjustments in real GDP and delayed adjustment in the price level. C) greater short-run adjustments in the real GDP and immediate adjustment in the price level. D) greater short-run adjustments in real GDP and delayed adjustment in the price level.
Let's assume producers in Canada can make 200 units of beef or 50 units of oranges, and U.S. producers can make 50 units of beef or 200 units of oranges per time period. Therefore
A) U.S. producers have a comparative advantage in oranges. B) Canadian producers have a comparative advantage in beef. C) both countries could gain through specialization and exchange. D) all of the above are true. E) none of the above is true.