What are the restaurant' s business hours?A.9 a. m. to 5 p. m.B.6 a. m. to 10 p. m.C.10 a.
What are the restaurant' s business hours?
A.9 a. m. to 5 p. m.
B.6 a. m. to 10 p. m.
C.10 a. m. to 11 p. m.
D.Open all hours
What are the restaurant' s business hours?
A.9 a. m. to 5 p. m.
B.6 a. m. to 10 p. m.
C.10 a. m. to 11 p. m.
D.Open all hours
Where did the woman get the information of applying the job?
A.From the sign in the restaurant window.
B.From a friend of hers.
C.From the want ad in the newspaper.
D.From an employment bureau.
本题用到SMOKE.RAW中的数据。
其中, cig pric表示每包香烟的价格(美分) , 而restaur n表示一个二值变量, 并在这个人所定居的州有餐馆抽烟限制时等于1。假定这些变量对个人而言都是外生的,那么你预期y5和y6具有什么样的符号?
(iii)在什么样的条件下第(i)部分的收入方程可识别?
(iv)用OLS估计收入方程并讨论岛的估计值。
(v)估计cigs的约简型。(记住这就要求将cigs对所有外生变量回归。) log(cig pric) 和restaur n在约简型中显著吗?
(vi)现在用2SLS估计收入方程。讨论β1的估计值与OLS估计值的比较。
(vii)你认为香烟价格和餐馆抽烟限制在收入方程中是外生的吗?
What are in the box? ______.
A.Bananas
B.Oranges
C.Apples