If the demand for a product increases as the result of a decline in income, it can be concluded that the

Suppose we observe that both the equilibrium price of digital cameras and the equilibrium quantity of digital cameras have increased. Which of the following events could be responsible for this?

A) technological advances in digital camera production B) consumers' preferences changed in favor of digital cameras C) the price of film cameras fell D) workers who make digital cameras received a pay raise

One desirable aspect of having multiple levels of government is that numerous small governments _____

a. leads to a prisoners' dilemma b. allows for the possibility of intergovernmental competition c. affect the optimal size of the sharing group d. demonstrate how effective the federal government is at what it does