One thing that distinguishes normative economic principles from positive economic principles is that（）
A. normative principles are pessimistic and positive principles are optimistic
B. normative principles reflect social norms, and positive principles reflect universal truths
C. normative principles tell us how people will behave, and positive principles tell us how people should behave
D. normative principles tell us how people should behave, and positive principles tell us how people will behave
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An economic naturalist is someone who（）
A. has an innate talent for using economic concepts
B. applies economic insights to understand everyday life
C. studies the process of natural selection in a cost-benefit framework
D. uses economic arguments to protect the environment
Microeconomics differs from macroeconomics in that microeconomics focuses on（）
A. the choices made by individuals the implications of those choices
B. the performance of the entire economy
C. government policies designed improve the performance of the national economy
D. issues such as inflation, unemployment and economic growth
All else equal, relative to a person who earns minimum wage, a person who earns $30 per hour has（）
A. the same opportunity cost of spending time on leisure activities
B. a higher opportunity cost of working an additional hour
C. a lower opportunity cost of driving farther to work
D. a higher opportunity cost of taking the day off work
The study of individual choice and its implications for the behavior of prices and quantities in individual markets is（）
A. microeconomics
B. macroeconomics
C. the Scarcity Principle
D. a normative economic principle
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