When vaccination rates in a community fall, disease outbreaks can occur as unvaccinated members are no longer protected by those who are vaccinated. This is called a failure of ______ immunity.

A hypothetical country of KapociusLand produces only movies and popcorn. Quantities and prices of these goods for the last several years are shown below. The base year is year 2. Table 4   Refer to table 4. What was this KapociusLand’s GDP deflator in year 4?

GDP is the best existing measure of well-being because

Table 2: Quantity demanded and supply for a given market Refer to table 2. The equilibrium price and quantity, respectively, are

Table 2: Quantity demanded and supply for a given market  Refer to table 2. The equilibrium price and quantity, respectively, are

Table 2: Quantity demanded and supply for a given market   Refer to table 2. If the price were $8, a  

Emma and Madelyn charge people to park on their lawn while attending a nearby craft fair. At the current price of $20, six people park on their lawn. If they lower the price to $15, they know that eight people will want to park on their lawn. Whether they have six or eight cars parked on their lawn does not affect their costs. From this information it follows that

Trade can make everyone better off because

Figure 6: demand and supply shifts Refer to figure 6. Suppose panel (b) shows the market for coffee. What event could explain panel (b)?

GDP is not a perfect measure of well-being; for example,