Assume a certain firm regards the number of workers it employs as variable but regards the size of its factory as fixed. This assumption is often realistic

a. in the short run but not in the long run.
b. in the long run but not in the short run.
c. both in the short run and in the long run.
d. neither in the short run nor in the long run.

Crowding out is a phenomenon focused upon most by the macroeconomists of whereby a government deficit interest rates, which in turn private investment spending. this group also believed that fiscal policy is the only thing that can lower natural unemployment. is just as effective in countering recessions as monetary policy. can be used most of the time, but monetary policy becomes a better option when velocity is fluctuating. should be used only if the central bank follows a monetary policy rule. faces problematic lags in propagating changes throughout the economy.