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| Variable Name | firstyear |
| Top Access Level | undefined (no restrictions) |
| Label | (synthetic) First Year Establishment is Observed |
| Codebook | Synthetic Longitudinal Business Database |
| Concept | |
| Type | numeric |
Files
synlbd1997c.dta
synlbd1997c.dta
(Incomplete URL provided - synlbd1997c.dta)
(
Stata
)
Full Description
Indicator for the first year the establishment is observed in the data (birth year).
This variable is left censored at 1976. In conjunction with LASTYEAR, allows users
to quickly determine the tenure of an establishment from any point in the data series.
Summary Statistics
| Valid values | all |
| Invalid values | 0 |
| Minimum | 1975 |
| Maximum | 2000 |
Value Ranges
Value Range
Range: [ 1975 , 2000 ]
Groups
