one of the first casualties of the current economic crisis was orthodox macroeconomic theory, particularly the strand known as new classical economics, developed in the last two to three decades. the deep and quick collapse of world financial markets in 2007, and the recession initiated in 2008, with no end in sight, allowed a vigorous critical reexamination of orthodox theories and the revival of the economics of keynes in the process. this paper presents the fundamental propositions that define keynes's approach.
