Abstract:From the outset, expectations were a central part of the first business cycles and early growth models. In the 1940s, a third line of research emerged which questioned the capacity of an economy to reach full-employment equilibrium. Starting with Alvin Hansen (1938) and culminating with Oskar Lange (1944), the crux of the debate evolved from the existence of full employment equilibrium to analysis of its stability, suggesting an increased role of expectations and finally challenging the economic system's globa… Show more
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