In the postwar period, the rate of immigration to the US has
a. continuously increased.
b. had periods of increase and decrease.
c. tended to fall.
d. remained relatively stable.
a. continuously increased.
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Growth in the Solow residual was slowest in the
A) 1950s. B) 1960s. C) 1970s. D) 1980s.
If a firm’s fixed costs increase, then profits drop but its output should not change.
Answer the following statement true (T) or false (F)
Estimation by WLS
A) although harder than OLS, will always produce a smaller variance. B) does not mean that you should use homoskedasticity-only standard errors on the transformed equation. C) requires quite a bit of knowledge about the conditional variance function. D) makes it very hard to interpret the coefficients, since the data is now weighted and not any longer in its original form.
Which of the following does not increase U.S. aggregate demand?
a. an increase in real wealth b. lower interest rates c. an increase in imports d. a decrease in the exchange rate value of the dollar