Pi,t+1 = Pi,t + Pi,t ri,t (1-ΣNi=1 Pi,t/Κ) Pi,t+1 = Pi,t + Pi,t ri,t (1-ΣNi=1 Pi,t/Κ- Pi,ti) equation 1 equation 2
σj,t = Pi,t equation 3
ri,t = ΣNi=1 σi,t ri,j +(1-ΣNi=1 σi,ti equation 4