Which of the following are examples of pure public goods?
A. cable television services, electrical utilities
B. automobiles, houses, DVDs
C. air, water, wildlife
D. national defense, air, public parks
D. national defense, air, public parks
Political Science
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When President Obama took office in 2009, he proposed a multiyear investment in:
A. airport security. B. bridges to nowhere. C. high speed rail. D. the interstate highway system.
Political Science
The number of conditions for a specific independent variable is called the
a. levels of the independent variable. b. series of the independent variable. c. levels of manipulation. d. measured conditions of the dependent variable.
Political Science