Regardless of what you believe it s not part of the definition so it shouldn t be phrased as such Now apparently you want me to teach you economics Fine Payment of wages for labor is an emergent phenomenon In free markets a number of things happen Technology advances which increases the return to sepcialization Interest rates and average profit margins decline Both of these make it harder for one person to have all the skills to competitively run all parts of the business So people start to sell just the input they re comparatively best at That gives people a much higher return for their efforts than investing money at 5 interest or trying to do all functions of the production process well But we really shouldn t be using the talk page for economics lessons