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연세대 계량경제학 족보 econo1 fall midterm exam


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연세대 계량경제학 족보 econo1 fall midterm exam

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Midterm Exam for Econometrics (1): Fall 2013

Prof. Tae-Hwan Kim

1. [42 points] We consider using the variable “Airline Travel” (i.e. how much we consume on airline travel) as our dependent variable ( ) and “Income” (i.e. how much we earn) as the explanatory variable ( ). Suppose that the OLS regression is given by


(0.5) (0.11)

where = 100 and the numbers in parentheses are standard errors. Denoting the true slope parameter by , supp...


Midterm Exam for Econometrics (1): Fall 2013

Prof. Tae-Hwan Kim

1. [42 points] We consider using the variable “Airline Travel” (i.e. how much we consume on airline travel) as our dependent variable ( ) and “Income” (i.e. how much we earn) as the explanatory variable ( ). Suppose that the OLS regression is given by


(0.5) (0.11)

where = 100 and the numbers in parentheses are standard errors. Denoting the true slope parameter by , suppose that we wish to test against at the 5% significance level. [Note that there is nothing to be proved here. What is important is to state or explain clearly!]
Propose your test statistic and compute its value.
Find the null distribution of your test statistic and explain how you like to obtain the correct critical values that can achieve the 5% significance level.
Explain the meaning of 5% significance level.
State your decision rule.
Explain what is P-value and how to compute P-value…(생략)


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