The United States has ________ social insurance programs, and generally has a ________ unemployment rate, as compared to Canada and Western Europe

Refer to Figure 12-2. Why is the total revenue curve a ray from the origin?

A) because the firm can sell its product at a constant price B) because revenue increases at a decreasing rate C) because the firm must lower its price to sell more D) because revenue increases at an increasing rate

We say that a particular life saving method is efficient

a. if it requires very few resources b. if it requires many resources c. if total expenditures on that method are low d. if the cost per life year saved is very high e. if the cost per life year saved is very low