This paper investigates the competition between domestic catfish filletsand imported tilapia fillets in the US market. The market segmentationbetween fresh and frozen fillets of both species is also considered. The substitutabilitybetween catfish and tilapia is of interest because market reports...

In this paper we are investigating how production risk may influence the way a risk averse producer like a subsistence farmer chooses optimal input levels. Risk averse producers will take into account both the mean and the variance of output, and therefore we expect them to choose input levels...