Wang, Kuan-Min; Lee, Yuan-Ming - In: Zbornik radova Ekonomskog fakulteta u … 27 (2009) 2, pp. 311-326
The goal of this paper is to test whether changes in the marketing margin between the farm and the retail prices can … threshold variable to create a non-linear threshold model. The empirical results show that when the marketing margin is lower …. However, when the marketing margin is higher than the threshold value, the government intervenes in the market and the …