Spatial Equilibrium of Tilapia (Oreochromis niloticus bleeker) Market in South Borneo Province, Indonesia

The purpose of this research is to analyze the spatial equilibrium of tilapia marketing system in South Borneo Province. The analysis method used is quantitative analysis of two approaches, named (a) Spatial Price Equilibrium Analysis and (b) Programming Linier Analysis. The analysis showed that the price equilibrium decrease after the optimization, while the producer and consumer surplus increase, which caused the increasing of consumer and producer welfare in the tilapia commodity market. In the optimal distribution concept, the transportation cost must be minimum, to achieve the better tilapia marketing system. Therefore, government needs to increase the information access in the tilapia marketing system in South Borneo Province, so that the allocation of tilapia commodity to any area can be control. Keyword: Tilapia, Price equilibrium, Optimal distribution, Welfar