8MEAR1 Table 1

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Table 1 Partial factor productivity (PFP) for stocking and feeding rate. The PFP of an input is the ratio of the output over the input (i.e., average product) (Alston et al., 1998). ";First yr"; indicates the first year of operation; ";Last yr"; indicates the most recent year of operation (1997).

^a Average per-year yield computed from aggregating dry and wet season yields.

^b The PFP of stocking rate is measured in kg of shrimp tails per PL ha^-1 yr^-1.

^c The PFP of feeding rate is measured in kg of shrimp tails per kg of feed ha^-1 yr^-1.

^d Farms used in the empirical analysis.

^e Farm 3 reported no feed applied during their first year of operation.