Many countries with national health care providers and health insurances regulate the market for pharmaceuticals to steer drug demand and to control expenses. For example, they introduce reference pricing or tiered co-payments to enhance drug substitution and competition. Since 2006, Germany...

We investigate the impact of consumer search and competition on pricing strategies in Germany’s electricity retail. We utilize a unique panel dataset on spatially varying search requests at major online price comparison websites to construct a direct measure of search intensity and combine...

In general, bundles are supplied with discount. Thus bundles are pro-competitive in view of increasing consumers' welfare. On the other hand, bundles are anti-competitive because of leveraging market power from dominant tying-good market to competitive tied-good market, intensifying entry...

The multiple payments settlement systems available in the United States differ on several dimensions. The Fedwire Funds Service, a utility that operates a U.S. large-value payments-settlement service, offers the fastest speed of settlement. Recognizing that payments differ in the urgency with...

We model a situation where two sellers trade vertically and horizontally differentiated goods on a platform for which they are charged a commission fee. Sellers' costs are asymmetric due to differences in the fees charged by the platform and in their costs of production. Consumers purchase...

We characterize mixed-strategy equilibria in a setting with capacity constrained suppliers which can charge location based prices to different customers. The equilibrium prices weakly increase in the transport distance between supplier and customer, whereas the margins decrease. Despite prices...

Our companion article developed a clear conceptual framework of negotiated or regulated interconnection agreements between rival operators and studied competition between interconnected networks, under the assumption of non-discriminatory pricing. This article relaxes this assumption and allows...

This paper examines the effect of competition on second degree price discrimination in display advertising in Yellow Page directories. Recent theoretical work makes conflicting predictions about the effect of competition on curvature. Our main empirical finding is that competition increases the...

In German electricity submarkets for residential customers standard contracts offered by former monopolists are the more costly option for customers who have not switched to an alternative contract yet. As most German households are served with this contract type we follow the Limit Pricing...

This paper addresses the issue of how to design the institutional structure of an industry which provides two differentiated products. One good is supplied by a regulated monopoly and the other is produced in a competitive (unregulated) segment. Two possible institutional patterns are compared....