We analyzed the reduction in exportation levels of the enterprises which have been working with the Chilean Atlantic Salmon, following the outbreak of ISA virus (ISAv) in 2007. We used a Duration Econometric Model for assessing the risk and survival of the enterprises. Also were determined the factors that explained the reduction of exportation levels, through the Proportional Risk Weibull Model. The results shows that the enterprises affected with ISAv have greater probability of decreasing their exportations. Also the number of harvest centers with ISAv and presence of Cáligus were found as determinants of reduction in exportation levels.
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