Hehenkamp, Burkhard, and Oddvar M. Kaarbøe. Price Regulation, Quality Competition and Location Choice with Costly Relocation, n.d.

Endres-Fröhlich, Angelika Elfriede, Burkhard Hehenkamp, and Joachim Heinzel. The Impact of Product Differentiation on Retail Bundling in a Vertical Market, n.d.