A 1986 study of segregation on early 20th century U.S. streetcars found that the primary source of racial segregation on streetcars was
a. a longstanding tradition of racial segregation.
b. policies implemented by the owners of streetcars.
c. laws passed by the government.
d. threats by white people to boycott the streetcars if they were forced to sit with black people.
c
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Suppose Aiyanna's Pizzeria currently faces a linear demand curve and is charging a very high price per pizza and doing very little business. Aiyanna now decides to lower pizza prices by 5 percent per week for an indefinite period of time. We can expect that each successive week:
A. demand will become more price elastic. B. price elasticity of demand will not change as price is lowered. C. demand will become less price elastic. D. the elasticity of supply will increase.
If an economy has to sacrifice only one unit of good X for each unit of good Y produced throughout the relevant range, then its production possibilities curve has a(n):
A) zero slope. B) constant, negative slope. C) increasing, negative slope. D) decreasing, negative slope.