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Table 4 Results of CRS regression analysis for earthen pond, cage culture and plastic tank

From: Comparative analysis of technical efficiency of catfish farms using different technologies in Lagos State, Nigeria: a Data Envelopment Analysis (DEA) approach

Variable Earthen pond (EP) Cage culture (CC) Plastic tank (PT) Marginal effect (EP) Marginal effect (CC) Marginal effect (PT)
Const 0.699035***
(0.215109)
0.944383**
(0.456234)
0.600425***
(0.230787)
   
Sex − 0.081628**
(0.038828)
0.0329918
(0.051195)
− 0.851995
(0.059994)
− 0.081628 0.329918 − 0.851995
Age 0.006071*
(0.003328)
0.004336
(0.006365)
0.012552**
(0.006150)
0.006071 0.004336 0.021552
Loedu 0.059853
(0.051778)
0.014690**
(0.007016)
0.075929
(0.137814)
0.059853 0.014690 0.075929
MS 0.002317
(0.038502)
− 0.110483
(0.079786)
0.035553
(0.095754)
0.002317 − 0.110483 0.355534
HHS − 0.006345
(0.038224)
0.012930
(0.036218)
− 0.011898
(0.008926)
− 0.006345 0.012930 − 0.011898
REL 0.037042
(0.038224)
0.841597
(0.068971)
0.244353*
(0.123038)
0.037042 0.841587 0.244353
POCCUP 0.013553
(0.050137)
0.120017**
(0.055620)
0.115385
(0.082589)
0.013553 0.120017 0.115385
Sigma
-2 Log-likelihood
0.103190
34.540834
0.127086
9.422486
0.113870
0.898005
   
  1. Source: Computed from survey data; ***, ** and * are coefficients significant at 1%, %% and 10%, respectively. Figures in parenthesis are standard errors