This study analyzes the optimal production plan under price risk condition of Karen ethnic groups in Muang Pam village, Pang Ma Pha district, Mae Hong Son province. Two groups of household samples regarding land holding types are: 1) paddy and upland arable land, and 2) upland arable land only....

Thailand imports a large volume of table grapes from the United States of America. The Thai – U.S. Free Trade Agreement (FTA) will reduce tariff on imports and thus import value changes which will affect related sectors of Thai economy system. The objectives of this study are to estimate trend...