If the price of margarine falls, the demand for butter will
A) remain unchanged.
B) increase.
C) decrease.
D) rise at first and then fall.
Answer: C
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The unit of account characteristic of money:
A. means that money finalizes payments. B. makes it difficult to compare the relative prices of goods and services. C. means prices are expressed in terms of money. D. refers to how we use money to transfer purchasing power over time.
In Figure 33.1, at the minimum wage, the producer surplus is 
A. BWminEF. B. WminAE. C. BW*C. D. W*AC.
Other things equal, increasing home prices tend to
A. force homeowners to spend less than they earn. B. increase the likelihood that homeowners will default on their mortgages. C. allow homeowners to spend more than they earn. D. leave homeowners' ability to spend unaffected.
Suppose scientists discover that eating soybeans prevents cancer and heart disease. Other things constant,
A) demand for soybeans will increase and soybean prices will fall. B) the price of soybeans will increase and demand will fall. C) demand and prices of soybeans will increase. D) the quantity demanded of soybeans will change, but demand will remain the same.