第4题
第5题
第6题
A、studies the behavior of individual economic agents in making economic decisions
B、develops and uses statistical methods for estimating economic relationships
C、deals with the performance, structure, behavior, and decision-making of an economy as a whole
D、applies mathematical methods to represent economic theories and solve economic problems
第10题
A、Gauss-Markov assumption
B、Best linear unbiased estimator
C、Frisch-Waugh theorem
D、Gauss-Markov theorem
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