According to proponents of the signaling theory of education, an increase in the education levels of all workers would
a. increase workers' productivity and increase their wages.
b. increase workers' productivity but leave their wages unaffected.
c. leave workers' productivity unaffected but increase their wages.
d. leave workers' productivity and wages unaffected.
d
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The sum of all planned expenditures for the entire economy at each possible price level is
A) aggregate demand. B) effective demand. C) aggregate supply. D) actual expenditures by consumers.
In the long run, an increase in the growth rate of the money supply causes the inflation rate to ________, which then causes the nominal interest rate to ________
A) increase; increase B) increase; decrease C) decrease; increase D) decrease; decrease
Attractive industries have all the following, except
a. High supplier power b. Low buyer power c. High entry barriers d. Low rivalry
A given change in disposable income would have the greatest effect on aggregate demand with which of the following marginal propensities to consume?
a. 0.4 b. 0.6 c. 0.8 d. 0.2