In the analysis of the interest rate effect, when the price level changes, the quantity of money households and firms' want to hold changes in the ______ direction as interest rates, while investment changes in the _____ as the quantity RGDP demanded

The life-cycle hypothesis predicts what consequence of aging of the overall population? [That is, an increase in T, relative to R & L.]

A) a decrease in the marginal propensity to consume out of wealth B) an increase in aggregate saving C) a decrease in the marginal propensity to consume out of income D) an increase in aggregate wealth

In the late nineteenth century, technological improvements and cheaper transportation in the United States led to

a. a decrease in minimum efficient scale in many industries b. an increase in minimum efficient scale in many industries c. an overall reduction in productive efficiency d. a narrowing of markets e. price increases in many industries