gross domestic product / food supply / health insurance / machinery / labour services / iron law / marginal product / excess product / food / /
Person
Thomas Malthus / W.T. Thornton / Edward H. Chamberlin / John Maynard Keynes / John Davidson / John Bates Clark / Francis A. Walker / Theodore W. Schultz / David Ricardo / Karl Marx / Gary S. Becker / Philip Henry Wicksteed / Johann Heinrich von Thünen / F.D. Longe / Joan Robinson / Adam Smith / /
Wages and Purchasing Theories Source: http://www.britannica.com/EBchecked/topic[removed]wage-and-salary (Jan[removed]Income derived from human labour. Technically, wages and salaries cover all compensation made to employees