aianjie

3、

Adding an error term to a regression model recognizes that:

A) the model is not deterministic.

B) researchers collect imperfect data.

C) the model is not ever truly correctly specified.

D) the causation of the relationship can go either way.

aianjie

2、Which of the following correctly identifies and states the first step in the methodology of econometrics?

A) Model the specification.

B) State the hypothesis to test based upon theory of interest.

C) Specify the model.

D) Collect the data.

aianjie

2、The correct answer is B

 

The first step is to identify the hypothesis, which the researcher generally wishes to disprove, e.g., the relationship between the quantity consumed and price is zero. The researcher would try to disprove this statement, which allows for the conclusion that price does influence quantity consumed.

[此贴子已经被作者于2009-6-24 14:39:59编辑过]

aianjie

1、The correct answer is D

 

All the other steps must be performed satisfactorily before the researcher has a model appropriate for making forecasts.

[此贴子已经被作者于2009-6-24 14:39:39编辑过]