Wooldridge Source: T.A. Mroz (1987), “The Sensitivity of an Empirical Model of Married Women’s Hours of Work to Economic and Statistical Assumptions,” Econometrica 55, 765-799. Professor Ernst R. Berndt, of MIT, kindly provided the data, which he obtained from Professor Mroz. Data loads lazily.
data('mroz')
A data.frame with 753 observations on 22 variables:
inlf: =1 if in lab frce, 1975
hours: hours worked, 1975
kidslt6: # kids < 6 years
kidsge6: # kids 6-18
age: woman's age in yrs
educ: years of schooling
wage: est. wage from earn, hrs
repwage: rep. wage at interview in 1976
hushrs: hours worked by husband, 1975
husage: husband's age
huseduc: husband's years of schooling
huswage: husband's hourly wage, 1975
faminc: family income, 1975
mtr: fed. marg. tax rte facing woman
motheduc: mother's years of schooling
fatheduc: father's years of schooling
unem: unem. rate in county of resid.
city: =1 if live in SMSA
exper: actual labor mkt exper
nwifeinc: (faminc - wage*hours)/1000
lwage: log(wage)
expersq: exper^2
https://www.cengage.com/cgi-wadsworth/course_products_wp.pl?fid=M20b&product_isbn_issn=9781111531041
pages 249-251, 260, 294, 519-520, 530, 535, 535-536, 565-566, 578-579, 593- 595, 601-603, 619-620, 625
str(mroz)
#> 'data.frame': 753 obs. of 22 variables:
#> $ inlf : int 1 1 1 1 1 1 1 1 1 1 ...
#> $ hours : int 1610 1656 1980 456 1568 2032 1440 1020 1458 1600 ...
#> $ kidslt6 : int 1 0 1 0 1 0 0 0 0 0 ...
#> $ kidsge6 : int 0 2 3 3 2 0 2 0 2 2 ...
#> $ age : int 32 30 35 34 31 54 37 54 48 39 ...
#> $ educ : int 12 12 12 12 14 12 16 12 12 12 ...
#> $ wage : num 3.35 1.39 4.55 1.1 4.59 ...
#> $ repwage : num 2.65 2.65 4.04 3.25 3.6 ...
#> $ hushrs : int 2708 2310 3072 1920 2000 1040 2670 4120 1995 2100 ...
#> $ husage : int 34 30 40 53 32 57 37 53 52 43 ...
#> $ huseduc : int 12 9 12 10 12 11 12 8 4 12 ...
#> $ huswage : num 4.03 8.44 3.58 3.54 10 ...
#> $ faminc : num 16310 21800 21040 7300 27300 ...
#> $ mtr : num 0.721 0.661 0.692 0.781 0.622 ...
#> $ motheduc: int 12 7 12 7 12 14 14 3 7 7 ...
#> $ fatheduc: int 7 7 7 7 14 7 7 3 7 7 ...
#> $ unem : num 5 11 5 5 9.5 7.5 5 5 3 5 ...
#> $ city : int 0 1 0 0 1 1 0 0 0 0 ...
#> $ exper : int 14 5 15 6 7 33 11 35 24 21 ...
#> $ nwifeinc: num 10.9 19.5 12 6.8 20.1 ...
#> $ lwage : num 1.2102 0.3285 1.5141 0.0921 1.5243 ...
#> $ expersq : int 196 25 225 36 49 1089 121 1225 576 441 ...
#> - attr(*, "time.stamp")= chr "25 Jun 2011 23:03"