Dohmen, Thomas (contributor); Lehmann, Hartmut (contributor) - 2008
following specification of a standard probit model:
'
,03 ,04 ,03 ,04 ,03
(1| )( )
iii i i
PU R X R Xαβ==Φ+, (6)
where … 2004),
,03i
X is a vector of control variables (also measured in 2003),
α ,
'
β are (vectors) of unknown parameters and ….025)
University degree
-0.042 -0.041 -0.044
(0.027) (0.027) (0.027)
Firm size: 20 ≤ X < 200 workers
0.095** 0.094** 0 …