@inbook {3049,
	title = {Empirical Issues in Evolutionary Economics - Heterogeneity and Evolutionary Change - Concepts and Measurement},
	booktitle = {Economics, Evolution and the State {\textendash} The Governance of Complexity},
	year = {2005},
	pages = {13-42},
	publisher = {Edward Elgar},
	organization = {Edward Elgar},
	address = {Cheltenham/Northhampton},
	author = {Cantner, Uwe and Hanusch, Horst}
}
