Which one of the following is an example of systematic risk?
a. major lay-off by a regional manufacturer of power boats.
b. increase in consumption created by a reduction in personal tax rates.
c. surprise firing of a firm's chief financial officer.
d. closure of a major retail chain of stores.
e. product recall by one manufacturer.

Suppose an economist believes that the price level in the economy is directly related to the money supply, or the amount of money circulating in the economy. the economist proposes the following relationship: p=a x m - p=price level - m=money supply - a=a composite of other factors, including real gdp, that change very slowly over time. how might an economist gather empirical data to test the proposed relationship between money and the price level? an economist would persuade the federal reserve to change the money supply to various levels, and observe the resulting changes in the price level. unlike researchers in the hard sciences, economists cannot study complex relationships using data. economists do not usually develop theoretical models of the economy but only analyze summary statistics about the current state of the economy. an economist would look for data on past changes in the money supply, and note the resulting changes in the price level

2. the language of price controls consider the market for rental cars. suppose that, in a competitive market without government regulations, the equilibrium price of rental cars is $58 per day, and employees at car rental companies earn $19.50 per hour. complete the following table by indicating whether each of the statements is an example of a price ceiling or a price floor and whether it results in a shortage or a surplus or has no effect on the price and quantity that prevail in the market. statement price control effect there are many teenagers who would like to work at car rental companies, but the minimum-wage law sets the hourly wage at $23.00. the government has instituted a legal minimum price of $87 per day for rental cars. the government prohibits car rental companies from renting out rental cars for more than $87 per day.

Scenario: you have advised the owner of bond's gym that the best thing to do would be to raise the price of a monthly membership. the owner wants to know what may happen once this price increase goes into effect. what will most likely occur after the price of a monthly membership increases? check all that apply. current members will pay more per month. the quantity demanded for memberships will decrease. the number of available memberships will increase. the owner will make more money. bond's gym will receive more membership applications.