Theoretical Foundations: A General Equilibrium Approach -- The Harris-Todaro Migration Model and Introduction of the Informal Sector -- Informal Sector and Open Unemployment -- Foreign Capital Inflow, Informal Sector and Welfare -- How and How Far to Liberalise a Developing Economy -- Economic...

Endogene Sunk Costs und die Kostenstruktur -- Endogene Sunk Costs in einem „Love of Variety“ Modell -- Endogene Sunk Costs in einem „Ideal Variety“ Modell -- Anwendungen der Modelle mit endogenen Sunk Costs -- Schlussbemerkungen.