If investors feel that business conditions will deteriorate in the future, the demand for loans and the real interest rate in the loanable funds market will change in which of the following ways in the short run?

A new technology is discovered that results in all new cars producing 50 percent less pollution. The technology costs nothing to produce and cars do not change in price

As a result of the technology, there is a reduction in the number of visits people make to the doctor to complain of breathing difficulties. Which of the following is true? A) Real GDP decreases as a result of fewer doctor services being provided. B) Real GDP is not affected. C) Nominal GDP increases to reflect the improvement in the health of the population. D) Real GDP decreases to reflect the decrease in pollution. E) Nominal GDP does not change and real GDP increases.

Economics is primarily concerned with the study of: a. problems such as poverty and unemployment

b. limited desires pursuing unlimited resources. c. production and distribution of goods in a world of unlimited resources. d. production and distribution of goods in a world of limited resources.