Table 2: Estimated coefficients of the stochastic profit frontier model for fishermen.

Variable CoefficientStd. error

Cost of maintenance0.0873
Cost of storage0.0579
Price of labour0.1171
Price of needle0.1721
Price of rope0.2601
Price of paddle0.8511
Price of boat0.1097
Variance parameters0.0342
LR test of the one-sided error48.37

Source: field survey, January 2015. and denote significance levels at 1% and 5%, respectively.