- APPLE: N=660, cross-sectional individual data on consumers,

`use http://fmwww.bc.edu/ec-p/data/wooldridge/APPLE`

- ATHLET1: N=118, cross-sectional individual data on schools' athletic programs,

`use http://fmwww.bc.edu/ec-p/data/wooldridge/ATHLET1`

- BWGHT: N=1388, cross-sectional individual data on birth weights,

`use http://fmwww.bc.edu/ec-p/data/wooldridge/BWGHT`

- CEMENT: N=312, timeseries data for 1964-1989,

`use http://fmwww.bc.edu/ec-p/data/wooldridge/CEMENT`

- CPS78_85: N=1084, pooled CS data for two years,

`use http://fmwww.bc.edu/ec-p/data/wooldridge/CPS78_85`

- CRIME1: N=2725, cross-sectional individual data,

`use http://fmwww.bc.edu/ec-p/data/wooldridge/CRIME1`

- CRIME4: N=630, cross-sectional county data,

`use http://fmwww.bc.edu/ec-p/data/wooldridge/CRIME4`

- FAIR: N=21, quadrennial timeseries data for 1916-1992,

`use http://fmwww.bc.edu/ec-p/data/wooldridge/FAIR`

- FERTIL2: N=4361, cross-sectional family data,

`use http://fmwww.bc.edu/ec-p/data/wooldridge/FERTIL2`

- GPA1: N=141, cross-sectional individual data,

`use http://fmwww.bc.edu/ec-p/data/wooldridge/GPA1`

- GPA2: N=4137, cross-sectional individual data,

`use http://fmwww.bc.edu/ec-p/data/wooldridge/GPA2`

- GPA3: N=732, cross-sectional individual data,

`use http://fmwww.bc.edu/ec-p/data/wooldridge/GPA3`

- LOANAPP: N=1989, cross-sectional individual data,

`use http://fmwww.bc.edu/ec-p/data/wooldridge/Loanapp`

- Mroz : N=753, cross-sectional household data,

`use http://fmwww.bc.edu/ec-p/data/wooldridge/Mroz`