| AK {sketching} | R Documentation | 
AK
Description
Angrist-Krueger (AK) dataset is a data extract from US Censuses that was analyzed in Angrist and Krueger (1991). In particular, the current dataset is from the 1970 Census, consisting of men born 1920-1929 (Year 1929 is the omitted cohort group).
Usage
AK
Format
A data frame with 247,199 rows and 42 variables:
- LWKLYWGE
- Outcome: log weekly wages 
- EDUC
- Covariate of interest: years of education 
- YR20
- Indicator variable for the year of birth: equals 1 if yob = 1920 
- YR21
- Indicator variable for the year of birth: equals 1 if yob = 1921 
- YR22
- Indicator variable for the year of birth: equals 1 if yob = 1922 
- YR23
- Indicator variable for the year of birth: equals 1 if yob = 1923 
- YR24
- Indicator variable for the year of birth: equals 1 if yob = 1924 
- YR25
- Indicator variable for the year of birth: equals 1 if yob = 1925 
- YR26
- Indicator variable for the year of birth: equals 1 if yob = 1926 
- YR27
- Indicator variable for the year of birth: equals 1 if yob = 1927 
- YR28
- Indicator variable for the year of birth: equals 1 if yob = 1928 
- QTR120
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR121
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR122
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR123
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR124
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR125
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR126
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR127
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR128
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR129
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR220
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR221
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR222
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR223
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR224
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR225
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR226
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR227
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR228
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR229
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR320
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR321
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR322
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR323
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR324
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR325
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR326
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR327
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR328
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- QTR329
- Quarter-of-birth indicator interacted with year-of-birth indicator 
- CNST
- Constant 
Source
The dataset is publicly available on Joshua Angrist's website at https://economics.mit.edu/faculty/angrist/data1/data/angkru1991/.
References
Angrist, J.D. and Krueger, A.B., 1991. Does compulsory school attendance affect schooling and earnings? Quarterly Journal of Economics, 106(4), pp.979–1014. doi:10.2307/2937954