Table 2. Possible factors to be simulated with the Limbukha model   Parameters Variables Social network N1: Kinship N2: All members of same village (N1 + acquaintances in the same village) N3: Members of both the villages (N1 + acquaintances in both villages) Rainfall pattern R1: Predominantly Low R2: Predominantly High Protocol P1: Give water to kinfolk P2: Exchange water for labor or cash P3: P1 + Exchange labor for cash P4: Exchange water free of charge P5: Exchange labor for water P6: P1 + P2 + P5