Such multipliers are always inaccurate and, hence, I recommend that you do uncertainty analysis (e.g., using Monte Carlo sampling technique) on the multipliers' values.

Also, remember to account for the jobs lost from conventional energy technologies that are displaced by jobs created by the new renewable energy technologies.

Professor Yehia Khalil, Yale University, USA

Fellow of the University of Oxford, UK

maybe you have to try with intelligent technique sir and solve your porblem with the objective function