计量经济学导论伍德里奇第6版教材，题库以及答案

范老师 · 发表于 18-8-30 15:28:02

Chapter 1
1. Econometrics is the branch of economics that _____.
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.

Answer: b
Difficulty: Easy
Bloom’s: Knowledge
A-Head: What is Econometrics?
BUSPROG:
Feedback: Econometrics is the branch of economics that develops and uses statistical methods for estimating economic relationships.

2. Nonexperimental data is called _____.
a. cross-sectional data
b. time series data
c. observational data
d. panel data

Answer: b
Difficulty: Easy
Bloom’s: Knowledge
A-Head: What is Econometrics?
BUSPROG:
Feedback:

3. Which of the following is true of experimental data?
a. Experimental data are collected in laboratory environments in the natural sciences.
b. Experimental data cannot be collected in a controlled environment.
c. Experimental data is sometimes called observational data.
d. Experimental data is sometimes called retrospective data.

Answer: a
Difficulty: Easy
Bloom’s: Knowledge
A-Head: What is Econometrics?
BUSPROG:
Feedback:

4. An empirical analysis relies on _____to test a theory.
a. common sense
b. ethical considerations
c. data
d. customs and conventions

Answer: c
Difficulty: Easy
Bloom’s: Knowledge
A-Head: Steps in Empirical Economic Analysis
BUSPROG:
Feedback: An empirical analysis relies on data to test a theory.

5. The term ‘u’ in an econometric model is usually referred to as the _____.
a. error term
b. parameter
c. hypothesis
d. dependent variable

Answer: a
Difficulty: Easy
Bloom’s: Knowledge
A-Head: Steps in Empirical Economic Analysis
BUSPROG:
Feedback: The term u in an econometric model is called the error term or disturbance term.

6. The parameters of an econometric model _____.
a. include all unobserved factors affecting the variable being studied
b. describe the strength of the relationship between the variable under study and the factors affecting it
c. refer to the explanatory variables included in the model
d. refer to the predictions that can be made using the model

Answer: b
Difficulty: Easy
Bloom’s: Knowledge
A-Head: Steps in Empirical Economic Analysis
BUSPROG:
Feedback: The parameters of an econometric model describe the direction and strength of the relationship between the variable under study and the factors affecting it.

7. Which of the following is the first step in empirical economic analysis?
a. Collection of data
b. Statement of hypotheses
c. Specification of an econometric model
d. Testing of hypotheses

Answer: c
Difficulty: Easy
Bloom’s: Knowledge
A-Head: Steps in Empirical Economic Analysis
BUSPROG:
Feedback: The first step in empirical economic analysis is the specification of the econometric model.
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