... (2008). The Value Chain Analysis of Lychee in Haiduong Province, Vietnam. MS Thesis at the University of the Philippines Los Banos, Philippines. Factors affecting lychee productivity and the ... 1981). The logit technique allows examination of the effect of a number of variables on the underlying probability of a dichotomous dependent variable. In the binary logit model, marketing channel ... areas of lychee in Vietnam. However, benefits of lychee production in Thanhha district, Haiduong province tended to be declined in recent years because of climate, increasing in input prices (fertilizer,...