The impetus for the conference that was the basis for this volume emanated from the influence of two brilliant minds-Egon Sohmen and Adam Klug, who both died at an early age, leaving their families and the professions of economics and economic history with major voids. In the course of research on the origins of Open Economy Macroeconomics, the significant contributions of Egon Sohmen came to the fore. After correspondence with some of those involved in the early development of the Open Economy Macromodel, we turned to Adam Klug for his views on the matter-as he had dealt with the history of intertemporal trade models in his Ph. D. thesis. And it was Adam who suggested the idea of a conference bringing together economists and economic historians. At this point we want to acknowledge the very generous grant from the Egon Sohmen Foundation and the active participation of Dr. Helmut Sohmen and Mrs. Renee Sohmen at the conference. We also want to thank Prof. Sir Aaron Klug, Nobel Laureate, and the Klug family for their support and the financial contribution of the Adam Klug Memorial Lecture Fund at Ben Gurion University. Other institutions that contributed to the conference were the Gianni Foundation; Bank of Israel; University of North Carolina; Department of Economics, Faculty of Social Science and Aharon Meir Center for Banking, Bar Ilan University; Department of Economics and Faculty of Social Science, Ben-Gurion University of the Negev.

Armed with a wealth of new information, Craig examines the controversial 1948 allegations that Communist spies had penetrated the American government, and explores the "ambiguities" that have haunted it for more than half a century.

For some twenty-five years after the end of the Second World War, the IS-LM model dominated macroeconomics. Inspired by the work of John Maynard Keynes, this model demonstrates the relationship among savings, income, investments, and interest rates, showing the point at which the interaction of these elements produces "equilibrium" in an economy. With the advent of the new classical macroeconomics in the early 1970s, the dominance of the IS-LM model was effectively challenged. While no longer central to the graduate training of most macroeconomists or to cutting-edge macroeconomic research, the IS-LM model continues to be a mainstay of undergraduate textbooks, to find wide use in applied macroeconomics, and to lie at the conceptual core of most government and commercial macroeconometric models. This volume, the annual supplement to History of Political Economy, explores the rise, the fall, and the persistence of the IS-LM model. In addition to presenting papers from the History of Political Economy conference held at Duke University in April 2003, the volume includes the text of an address delivered at the conference by Nobel laureate Robert E. Lucas Jr., one of the central players in the intellectual movement that dethroned the IS-LM model. Contributors. Roger E. Backhouse, Mauro Boianovsky, Michael Bordo, David Colander, William Darity Jr., Michel De Vroey, Robert W. Dimand, Kevin D. Hoover, David Laidler, Robert E. Lucas Jr., Edward Nelson, Goulven Rubin, Anna Schwartz, Scott Sumner, Warren Young