Uwe Cantner Bernd Ebersberger Horst Hanusch Jens J. Krüger Andreas Pyka Empirically Based Simulation: The Case of Twin Peaks in National Income. 2001 4 J. Artificial Societies and Social Simulation 3 http://jasss.soc.surrey.ac.uk/4/3/9.html db/journals/jasss/jasss4.html#CantnerEHKP01