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by gnab2006
1 year ago
Forum: Modeling
Topic: lifetime of technology
Replies: 1
Views: 543

lifetime of technology

Hi! I'm trying to model the lifetime of a technology i to calculate optimal year a of investment. for this I have two binary variables GAMMA(a,i) - takes the value (1) if technology exists and (0) otherwise PHI(a,i) - takes the value (1) if i has been bought in year a and (0) otherwise. My problem c...