This paper discusses the following two hypotheses. The first one is based on the epistemological proposal which we have named the principle of discontinuity. It asserts that certain developments in the history of economic thought involve theoretical breaks which can only be fully explained by...

In 1987, Greenwald and Stiglitz accused Keynes's summary of the "General Theory" in chapter 18 of relying upon “neoclassical and Marshallian tools.” A number of contributions have on the contrary emphasized the methodological importance of this chapter, which this paper revisits in the light...