//-->
The process of horizontal differentiation: two models
Daft, Richard L., (1980)
Public health policy decisions on medical innovations: what role can early economic evaluation play?
Hartz, Susanne, (2007)
The political economy of the green technology sector
Wangler, Leo, (2009)
The "unified basis" as a starting point for business economic analysis: remarks on some core issues in the theory of the firm on the occasion of the centenary of the birth of Erich Gutenberg
Schüler, W., (2000)
Entwicklungslinien der Getreidepolitik in der EWG
Strecker, O., (1966)