The aim of this research is to: 1) Analyzing the income of rubber farmers when there is a change in the selling price of rubber in Kasmaran Village, Babat Toman District, Musi Banyuasin Regency. 2) Analyzing the consumption expenditure of rubber farmer households when changes in rubber prices occur in Kasmaran Village Babat Toman District Musi Banyuasin Regency. 3) Analyzing the level of welfar…