schooling: Returns to schooling
In camerondata: Datasets from "Microeconometrics: Methods and Applications" by Cameron and Trivedi

schooling

R Documentation

Returns to schooling

Description

Data from the National Longitudinal Survey of Young Men. Cohort includes 3,010 males aged 24 to 34 years old in 1976, who were ages 14-24 when first interviewed in 1966. Cameron and Trivedi (2005)

Usage

schooling

Format

A data frame with 5226 observations and 101 variables:

id: identification code
black: = 1 if black race
imigrnt: = 1 if born in the US
hhead: person lived with at age 14 (in 1966)
mag_14: = 1 if magazines available at age 14
news_14: = 1 if newspapers available at age 14
lib_14: = 1 if library card available at age 14
num_sib: total number of siblings
fgrade: highest grade completed by father (1966)
mgrade: highest grade completed by mother (1966)
iq: IQ score in 1968
bdate: date of birth
gfill76: highest grade completed 1976, some values filled from prevs reports
wt76: sampling weights 1976
grade76: highest grade completed in 1976
grade66: highest grade completed in 1966
age76: age in 1976
age66: age in 1966
smsa76: current residence, = 1 if lived in central city in 1976
smsa66: current residence, = 1 if lived in central city in 1966
region: census region in 1966
col4: = 1 if there is a 4-year college nearby
mcol4: = 1 if male 4-year college nearby
col4pub: = 1 if public 4-year college nearby
south76: = 1 if lived in South in 1976
wage76: hourly wage in 1976, ln
exp76: work experience in 1976, years calculated as (10 + age66) - grade76 - 6
expsq76: experience 1976 squared, exp76^2/100
agesq76: age squared (1976)
reg1: region, = 1 if lived in region NE
reg2: region, = 1 if lived in region MidAtl
reg3: region, = 1 if lived in region ENC
reg4: region, = 1 if lived in region WNC
reg5: region, = 1 if lived in region SA
reg6: region, = 1 if lived in region ESC
reg7: region, = 1 if lived in region WSC
reg8: region, = 1 if lived in region M
reg9: region, = 1 if lived in region P
momdad14: = 1 if lived with both parents at age 14
sinmom14: = 1 if lived with mother only at age 14
nodaded: = 1 if father has no formal education
nomomed: = 1 if mother has no formal education
daded: mean grade level of father
momed: mean grade level of mother
famed: father's and mother's education
famed1: = 1 if mgrade> 12 & fgrade> 12
famed2: = 1 if mgrade>=12 & fgrade>=12
famed3: = 1 if mgrade==12 & fgrade==12
famed4: = 1 if mgrade>=12 & fgrade==-1
famed5: = 1 if fgrade>=12
famed6: = 1 if mgrade>=12 & fgrade> -1
famed7: = 1 if mgrade>=9 & fgrade>=9
famed8: = 1 if mgrade> -1 & fgrade> -1
famed9: = 1 if famed not in range 1-8
int76: = 1 if wt76 not missing
age1415: = 1 if in age group 14-15
age1617: = 1 if in age group 16-17
age1819: = 1 if in age group 18-19
age2021: = 1 if in age group 20-21
age2224: = 1 if in age group 22-24
cage1415: = 1 if in age group 14-15 and lived near college
cage1617: = 1 = 1 if in age group 16-17 and lived near college
cage1819: = 1 if in age group 18-19 and lived near college
cage2021: = 1 if in age group 20-21 and lived near college
cage2224: = 1 if in age group 22-24 and lived near college
cage66: age in 1966 and lived near college
a1: = 1 if age in 1966 is 14
a2: = 1 if age in 1966 is 15
a3: = 1 if age in 1966 is 16
a4: = 1 if age in 1966 is 17
a5: = 1 if age in 1966 is 18
a6: = 1 if age in 1966 is 19
a7: = 1 if age in 1966 is 20
a8: = 1 if age in 1966 is 21
a9: = 1 if age in 1966 is 22
a10: = 1 if age in 1966 is 23
a11: = 1 if age in 1966 is 24
ca1: = 1 if did not live near college in 1966
ca2: = 1 if lived near college and age in 1966 = 14
ca3: = 1 if lived near college and age in 1966 = 15
ca4: = 1 if lived near college and age in 1966 = 16
ca5: = 1 if lived near college and age in 1966 = 17
ca6: = 1 if lived near college and age in 1966 = 18
ca7: = 1 if lived near college and age in 1966 = 19
ca8: = 1 if lived near college and age in 1966 = 20
ca9: = 1 if lived near college and age in 1966 = 21
ca10: = 1 if lived near college and age in 1966 = 22
ca11: = 1 if lived near college and age in 1966 = 23
ca12: = 1 if lived near college and age in 1966 = 24
g25: grade level when 25 years old
g25i: = 1 if =g25 and intrvwed in year used for determining g25
intmo66: interview month in 1966, used to identify cases incl by Card
nlsflt: flag to identify if the case was used by Card
nsib: number of siblings
ns1: = 1 if the person has no siblings
ns2: = 1 if number of siblings is 2
ns3: = 1 if number of siblings is 3
ns4: = 1 if number of siblings is 4
ns5: = 1 if number of siblings is 6
ns6: = 1 if number of siblings is 9
ns7: = 1 if number of siblings is 18

Section in Text

4.9.6 Instrumental Variables Application, pp. 110-2

Source

http://cameron.econ.ucdavis.edu/mmabook/mmadata.html

References

Cameron, A. and Trivedi, P. (2005), "Microeconometrics: Methods and Applications," Cambridge University Press, New York.

Card, D. (1995), "Using Geographic Variation in College Proximity to Estimate the Returns to Schooling", in Aspects of Labor Market Behavior: Essays in Honor of John Vanderkamp, eds. L.N. Christofides et al., Toronto: University of Toronto Press, pp.201-221.

Kling, J.R. (2001) "Interpreting Instrumental Variables Estimates of the Return to Schooling," Journal of Business and Economic Statistics, 19, 358-364.

https://www.nlsinfo.org/content/cohorts/older-and-young-men