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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