What is Economics Economics is a behavioral or social science concerns of how individuals and societies choose to use the scarce resources that nature and previous generations have provided.o Marginalisem: The process of analyzing the additional or incremental costs or ?o Efficient market: a market in which profit opportunities are eliminated almost ?????.benefits arising from a choice or decision ?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????.?????????????????????????????.?????????????????????????????????????????????????????????????????????.???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? )instantaneously.