In the above table, what is average product when 4 workers are employed?

An increase in the demand for bonds generates

A) an increase in both the interest rate and the exchange rate. B) a decrease in both the interest rate and the exchange rate. C) an increase in the interest rate and a decrease in the exchange rate. D) a decrease in the interest rate and an increase in the exchange rate.

Even though mass transit systems such as buses are available in most cities in the United States, many residents decide to drive to work in their own vehicles because

A) the opportunity cost of riding a bus is too high for them. B) there is no opportunity cost of them to drive. C) they are not rational. D) they do not behave according to the economic way of thinking.