He identifies as post-Keynesian, criticizing both modern neoclassical economics and (some of) Marxian economics as inconsistent, unscientific and empirically unsupported. The major influences on Keen’s thinking about economics include Hyman Minsky, Piero Sraffa, Joseph Alois Schumpeter, and Francois Quesnay. His recent work mostly concentrates on mathematical modeling and simulation of financial instability.He is a Fellow at the Centre for Policy Development.