NEOCLASSICAL-KEYNESIAN SYNTHESIS
http://cepa.newschool.edu/het/schools/synthesis.htm on the view the "Neoclassical-Keynesian Synthesis" is that Keynesian economics as interpreted and formalized by a largely American group of economists in the early post-war period.
http://cepanewschool.edu/het/essays/keynes/synthesis.htm for mathematical models on the perspective taken in part from Franco Modigliani's dissertation
http://cruel.org/econthought/profiles/modigliani.html on Franco Mondigliani