Complexity and economics / Victor A. Beker -- From complexity science to complexity economics / Ping Chen -- Categorical economic theory / Fernando Tohme and Marcelo Auday -- Microeconomics : is there a post Keynesian alternative? / Jordan Melmias -- Microeconomics in a complex social world / Michel Zouboulakis -- Teaching macroeconomics after the crisis / Irene van Staveren -- Asymmetric price adjustment and other issues in Keynesian macroeconomics / Victor A. Beker -- Understanding financialization : standing on the shoulders of Minsky / Charles Whale -- Ecological economics : redefining economics for democracy and sustainability / Peter Soderbaum -- Conclusions -- Index