The study estimated bias corrected technical efficiency (BCTE)
using bootstrapped DEA (Table 2). The estimated mean BCTE for the
sample fish farmers was 0.80, which implies thatthe fish farmers in
the sample could reach full technical efficiency by increasing their
outputs by another 20% with the current level of technology and
input levels. The fish farms were further divided into two subsectors
based on species types and culture systems to develop in-depth
analysis of the industry’s performance. The estimated mean BCTE
values of different species, catfish, tilapia, patin and polyculture,
were 0.71, 0.79, 0.74 and 0.80, respectively (Table 2). Based on these
findings, the polyculture and Tilapia farms were the most technically
efficient, whereas the least efficient ones—on average—were
the catfish and patin farms. Polyculture fish farms are mostly large
and culture many species in the same place and thereby take advantage
of economies of scale. On the other hand, catfish are mostly
cultured using an extensive technique in which they largely depend