TRANSMISI HARGA ASIMETRI DALAM RANTAI PASOK BAWANG MERAH DAN HUBUNGANNYA DENGAN IMPOR DI INDONESIA: STUDI KASUS DI BREBES DAN JAKARTA

Shallot, as a potential commodity in Indonesia, has a large price disparity between the farmer and the consumer prices. The price disparity is also linked to the price of shallots import. This research analyzes the price transmission of shallots during its supply chain, discusses the factors influencing the price transmission, and also investigates the relationship between the price of import and the price of producer-and-consumer.This research uses the Houck Model, Error Correction Mechanism (ECM), cointegration test and longrun causality test.The data were monthly price data of farmers, wholesalers, and retailers in Brebes regency and Jakarta; and prices of shallot import during January 2008 to December 2014.The results showed that the relationship between farmer and wholesale was asymmetric in the short term of price transmission, even in the long term of transmission wholesalers and retailers was also having asymmetric relationship. The asymmetric price transmission in the short term was related to adjusment cost while the asymetric price transmission in the long term indicated the abuse of market power. This study reveals the important role of price import in the farm and retailer prices. It is suggested to set up ceiling price and floor price in order to avoid the exploitative behavior of middlemen.