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5.
A wage equation is estimatedfor a sample of public sector workers in Pakistan using data drawn from thatcountry’s 2001 Labour Force Survey.
Theexplanatory variables are: Urban (a dummy variable adopting a value of 1 if theindividual resides in an urban area, and 0 otherwise); the variables Primary,Secondary and University are a set of mutually exclusive dummy variablescapturing an individual’s highest educational level with less than primaryproviding the base category in estimation; Male is a dummy that adopts a valueof 1 if the individual is male and 0 otherwise; and Age is the age in years ofthe individual with Age Squared its quadratic.
The dependent variable is the log of the hourly wage.
The following OLS estimates are obtained(with OLS standard errors reported in parentheses):

Variable	Estimate
Constant	1.8136    (0.119)
Age	0.0302    (0.006)
Age Squared	–0.0002 (0.00008)
Urban	0.1323   (0.0174)
Primary	0.0886   (0.0341)
Secondary	0.3460   (0.0256)
University	0.8420   (0.0277)
Male	0.0857   (0.0263)
Number of Observations	3310
R2	0.347

(a)
How much of the variation in log wagesis explained by the included regressors in this case?



(b)
Interpret and comment on thewage equation estimates.

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关键词：经济计量学 经济计量 计量学 observations educational

哪个学校的???????

会做么？？？

高手都来帮帮小弟啊     过几天考试啦

变量都过T检验了么，过了不就是个数数题么，第二问的解释无非是说哪个影响因素大一些吧，个人愚见，轻拍。