Economic is a social science , more specificly, is a ‘decision science’ , because it teach you to make choice under conditions of scarcity.What does it mean by ‘scarcity’ and ‘choice’ ? Think about the moment when you can’t get what you’d like to get , everyone will, this is called ‘scarcity’.Thus, we can say :"All of us face the scarce problem" As individual, normally ,we face a scarcity of time and money, give you more of either , you can get more thing that you’d like to have.Since the scarcities of time and money, we have to make choice .Economists study the choice we make and the consequences.Whether the choice is the best one ? Will the choice we make be harmful to our society? If yes, what should our government do to solve or alleviate it ? Learn the economics, and try to figure out these problems yourself!