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Table 1 Temporary employment and productivity growth

From: The impact of temporary employment on productivityAuswirkungen befristeter Beschäftigung auf die Produktivität

  ∆ Log LP ∆ Log TFP
  (1) (2) (3) (4) (5) (6)
  POLS FE IV POLS FE IV
∆ Log ProductivityL 0.158
(0.024)***
0.211
(0.028)***
0.150
(0.026)***
0.213
(0.031)***
Log Relative Productivity −0.022
(0.008)***
−0.023
(0.009)**
−0.020
(0.010)**
−0.021
(0.012)*
−0.032
(0.014)**
−0.019
(0.012)*
EPL 0.009
(0.003)***
0.010
(0.007)*
0.009
(0.002)***
0.011
(0.003)***
0.009
(0.005)*
0.010
(0.002)***
EPL*FJR −0.166
(0.051)***
−0.178
(0.052)***
−0.110
(0.040)***
−0.140
(0.053)***
−0.146
(0.053)***
−0.111
(0.032)***
TE −0.040
(0.017)***
−0.056
(0.022)**
−0.087
(0.052)*
−0.061
(0.015)***
−0.051
(0.021)**
−0.112
(0.047)***
TE*SSII −0.071
(0.017)***
−0.081
(0.018)***
−0.043
(0.011)***
−0.016
(0.011)*
−0.017
(0.009)**
−0.018
(0.011)*
TUD −0.001
(0.001)_
−0.002
(0.001)*
−0.005
(0.003)*
−0.001
(0.001)_
−0.002
(0.004)_
−0.003
(0.004)_
PMR −0.001
(0.000)**
−0.001
(0.001)_
−0.008
(0.002)***
−0.001
(0.001)_
−0.001
(0.002)_
−0.001
(0.002)_
CONSTANT 0.021
(0.005)***
0.013
(0.004)***
COUNTRY DUMMIES NO YES YES NO YES YES
YEAR DUMMIES NO YES YES NO YES YES
SECTOR DUMMIES NO NO YES NO NO YES
Endogeneity Testa p-val = 0.02 p-val = 0.10
F-statisticsb 59.971 71.132
Observations 1950 1950 1950 1800 1800 1800
R-squared 0.115 0.191 0.431 0.117 0.168 0.247
  1. POLS pooled ordinary least squares, FE fixed effects (dummy variable regression), IV instrumental variable, EPL employment protection legislation, FJR frictionless job reallocation, TE the share of temporary employment, TUD trade union density, PMR product market regulation
  2. HAC Robust standard errors in brackets
  3. * significant at 10%, ** significant at 5%, *** significant at 1%
  4. aThe endogeneity test is the difference of two Sargan-Hansen statistics: one for the equation with the smaller set of instruments and one for the equation with the larger set of instruments. Unlike the Hausman tests, this statistic is robust to heteroskedasticity and serial correlation
  5. bF-statistic of the Kleibergen-Paap rk Wald test for weak identification