"All artices first published in The New Palgrave Dictionary of Economics, 2nd Edition, Edited by Steven N. Durlauf and Lawrence E. Blume, in eight volumes 2008 ; with the exception of Monetarism, Money, Neutrality of Money and Quantity theory of money, all of which first published in The New Palgrave : A Dictionary of Economics, Edited by John Eatwell, Murray Milgate and Peter Newman, in four volumes, 1987."