If Mary invests $500 and receives yearly interest of $40, the rate of interest she is earning on her $500 must be
a. 18 percent
b. 12.5 percent
c. 10 percent
d. 15 percent
e. 8 percent
E
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For a monopolistically competitive firm, the demand curve
A) is a horizontal line. B) has a positive slope. C) is vertical. D) has a negative slope. E) is the same as the marginal revenue curve.
If both demand for and supply of capital increase by equal amounts, then the equilibrium price of capital goes up, and the equilibrium quantity of capital increases
a. True b. False Indicate whether the statement is true or false
If total production is less than total expenditures, then business firms
A) have overproduced. B) will cut back on production. C) will raise production. D) will experience increases in inventory. E) a and d
When the economy is operating at the equilibrium level of? GDP, we know that
A) total planned real consumption expenditures equal real GDP.
B) planned real investment spending equals real net exports of zero.
C) total planned real expenditures equal real GDP.
D) real net exports equal inventory changes.