Minicozzi, Alexandra, "Estimation of Sons' Intergenerational Earnings
Mobility in the Presence of Censoring", Journal of Applied Econometrics,
Vol. 18, No. 3, 2003, pp. 291-314.

All data are in the ASCII file minicozzi.dat. This file is in DOS format and
is zipped in the file am-data.zip. Unix users should use "unzip -a" to
convert CR/LF pairs to LF when unzipping.

The data were taken from the Panel Study of Income dynamics 1968-1993 waves.  
The data set contains 27 variables and 628 observations.  
Each line refers to one individual in the data set.

Col 1:		Son's Unique Number = 
		(1968 Interview number * 1000000) + (1968 Sequence Number)

Col 15:		Son's 1968 Interview number

Col 22: 	Year son was born

Col 27:		Percentage of years son is full-time employed (ignores 
		years in school)

Col 32:		Son's maximum income as of age 30

Col 42:		Father's predicted permanent income

Col 52:		Mother's predicted permanent income

Col 62:		Log parental predicted permanent income

Col 72:		Indicator variable =1 if son worked at least 1000 hours at 
		age 28

Col 74:		Indicator variable =1 if son worked at least 1000 hours at 
		age 29

Col 76:		Modified lower bound for son's age 28 potential earnings

Col 86:		Modified lower bound for son's age 29 potential earnings

Col 96:		Modified lower bound for son's average age 28 and age 29 
		potential earnings

Col 106:	Modified upper bound for son's age 28 potential earnings

Col 116:	Modified upper bound for son's age 29 potential earnings

Col 126:	Modified upper bound for son's average age 28 and age 29 
		potential earnings

Col 136:	Worst Case upper bound for son's age 28 potential earnings

Col 146:	Worst Case upper bound for son's age 29 potential earnings

Col 156:	Worst Case upper bound for son's average age 28 and age 29 
		potential earnings

Col 166:	Son's annual hours worked at age 28

Col 172:	Son's employment status at age 28 
		(1= Working now, 2= Only temporarily laid off, sick leave 
		or maternity leave, 3= Looking for work, unemployed,
		4= Retired, 5= Permanently disabled; temporarily disabled, 
		6= Keeping house, 7= Student, 8= Other; "workfare"; 
		in prison or jail)

Col 174:	Son's age 28 labor income

Col 184:	Son's age 28 type of institution 
		(12 = school, 13 = health care facility, 14 = jail or prison)

Col 187:	Son's annual hours worked at age 29

Col 193:	Son's employment status at age 29 (see above)

Col 195:	Son's age 29 labor income

Col 205:	Son's age 29 type of institution 


Alexandra Minicozzi
Northwestern University
2003 Sheridan Road
Evanston IL 60208-0826
minicozzi@northwestern.edu