Because firms can free ride on the research and development of other firms,
A) firms choose a level of research and development where the marginal cost of research is above the economy's marginal return of research.
B) firms choose a level of research and development where the marginal cost of research is below the individual firm's marginal return of research.
C) firms choose a level of research and development where the marginal cost of research is below the economy's marginal return of research.
D) firms choose a level of research and development where the marginal cost of research is equal to the economy's marginal return of research.
C
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Resources are items that a society uses to create goods and services
Indicate whether the statement is true or false
Refer to the figure below. In response to gradually falling inflation, this economy will eventually move from its short-run equilibrium to its long-run equilibrium. Graphically, this would be seen as 
A. long-run aggregate supply shifting leftward B. Short-run aggregate supply shifting upward C. Short-run aggregate supply shifting downward D. Aggregate demand shifting leftward