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IZA Journal of European Labor Studies

Table 4 Fixed effects instrumental variables estimates with interaction variables – the influence of working time accounts on profits

From: Working time accounts and firm performance in Germany

 

(1)

(2)

(3)

 

β

std. err

β

std. err.

β

std. err

WTA

−3.358***

0.950

−3.489***

1.019

−3.860***

1.174

WTA*EXPORT_d

1.068***

0.309

    

WTA*FSIZE_l

  

1.609***

0.455

  

WTA*Y2009

    

1.454***

0.417

  1. Notes: The control variables are the same as in Table 3. EXPORT_d (=1 if the firm exports), FSIZE_l (=1 if the firm is large, i.e. 500 or more employees) and Y2009 (=1 if the year is 2009) are dummies; ***p < 0.01
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