Economic theory

Hello steemit friends .. l would like to talke about Simple economic theory
learn the simple economic theory that's work for every body , and I can give it to you in a just couple of sentences. any body wants get salary, we get salary for bring a value to the market place, the market place is the people .the value we bring one part of it a product or service, and here the other part of the value that's come to you , when can understood that we can apply the theory, ( my teacher in university said to me, work on your self harder than you work on your job .if you work harder in your job you can make a living, but if you work hard of your self you can make fortune )