Continuing with same dataset as above, a logistic regression of dem on all the o

Question

Continuing with same dataset as above, a logistic regression of dem on all the other variables yields the following logistic dem male income age Number of obs = 30 LR ch(2(3) = 24.96 Prob > chi2 = 0.0000 All else equal, increasing the age by 10 years will increase the odds of voting for Democrat by a factor of___. A) 113.64 B) 3.5938 C) 1.1364 D) 4.761 E) 11.364 An AR(3) model of inflation yields the coefficients 3, -25, and 15 for the first, second and third lag of inflation, and the constant value is 2. If the last three observations in the dataset (starting with the last observation) are 3, 2, 5, and 4, then what is the predicted inflation for the next period? A) 2.250 B) 2.875 C) .8750 D) 3.425 E) 1.750 If a variable does not have a unit root: A) It is non-stationary. B) The value of the variable is constant over time. C) Its errors will not display serial correlation. D) The null hypothesis that the AR(1) slope coefficient greaterthanorequalto 1 will be rejected. E) The Dickey-Fuller test will not be rejected.

Explanation / Answer

4. The coefficient of age is 1.136464. Hence,

If we increase the age by 10 units by keeping all other factors constant,

The odds of voting for Democrats will increase by 1.1364(10) i.e. 11.364.

Option E is correct.

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