Summary In all health care systems exists governmental regulation, as the market for health is unanimously regarded as imperfect. The German health care market is a good example for a strongly regulated market in nearly each submarket, partially the determination of prices. Reimbursement of...

Summary The paper addresses entry barriers for a new technology - hydrogen powered cars or cars with fuel cell engines - if the network of its filling stations is missing. We use Hotelling’s model of product differentiation to characterize a situation where an incumbent firm produces the old...

Previously undiscovered market studies show that the sale of beer as a loss-leader offer was already used as a competitive tool in food retailing in the 1970s and became an important feature of aggressive competition among retailers in the 1980s. The article illustrates the specific assortment...