A fundamental aspect of public goods is that they
A) are just like private goods EXCEPT that everybody wants to consume the same amount.
B) have positive externalities.
C) are characterized by the principle of rival consumption.
D) can be consumed jointly by many people simultaneously.
D
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According to Irving Fisher, velocity ________
A) is determined by institutions that affect the way individuals transact B) is affected by institutions only gradually C) is assumed constant in the short run D) all of the above E) none of the above
If the income elasticity of demand for a good is -2.5, then
a. it is a normal good, and its demand curve will shift to the left if buyers' incomes increase b. it is a normal good, and its demand curve will shift to the right if buyers' incomes increase c. it is an inferior good, and its demand curve will shift to the right if buyers' incomes increase d. it is an inferior good, and its demand curve will shift to the left if buyers' incomes increase e. there is insufficient information to determine whether the good is normal or inferior