LeLonde {cem}

Modified Lalonde dataset

Description

This is a modified version of the Lalonde experimental dataset used for explanatory reasons only.

Usage

data(LL)

Format

A data frame with 722 observations on the following 11 variables.

treated

treatment variable indicator

age

age

education

years of education

black

race indicator variable

married

marital status indicator variable

nodegree

indicator variable for not possessing a degree

re74

real earnings in 1974

re75

real earnings in 1975

re78

real earnings in 1978 (post-treatment outcome)

hispanic

ethnic indicator variable

u74

unemployment in 1974 indicator variable

u75

unemployment in 1975 indicator variable

q1

answer to survey question n1

Details

This data is a copy of the original Lalonde (1986) data set (see LL) with 10% of missing data and an additional variable q1 which is the fictituous answer to the questionarie on “Agreement on this job training program”.

Source

see references

References

Iacus, King, Porro (2011) doi:10.1198/jasa.2011.tm09599

Iacus, King, Porro (2012) doi:10.1093/pan/mpr013

Iacus, King, Porro (2019) doi:10.1017/pan.2018.29

Lalonde (1986) Evaluating the Econometric Evaluations of Training Programs with Experimental Data, The American Economic Review, 76(4), 604-620.