The Theory of Second Best||द्वितीय सर्वोत्तम का सिद्धांत||by Richard Lipsey and Kelvin Lancaster

Pareto Optimal Or Pateto Efficency//कल्याणकारी अर्थशास्त्र का परेटो अनुकूलतम

the theory of second best,the general theory of second best by Richard Lipsey and Kelvin Lancaster,Parato optimal,Welfare economics,macro ecnomics,microeconomics,