This paper contains an analysis of stylised natural gas and electricity supply sectors. Power plants operate either on natural gas or on a competing fuel – e.g. oil. The competing fuel is assumed to be traded at world market price whereas natural gas is sold by a national monopoly. The paper...

This paper presents a sequential search model where consumers look for several products among competitive multiproduct �rms. In a multiproduct search mar- ket, both consumer behavior and �rm behavior exhibit di¤erent features from the single-product case: a consumer often returns to...

Business services firms are increasingly under pressure from foreign competition. We develop an oligopolistic competition model that studies the effect of trade liberalization on exit and sectoral restructuring in the business services sector. We assume that firms are heterogeneous in their...

This paper extends the standard model of bundling to allow products to be substitutes and for products to be supplied by separate sellers. Whether integrated or separate, firms have an incentive to introduce bundling discounts when demand for the bundle is elastic relative to demand for...

This Paper provides an empirical examination of third-degree price discrimination in the Swedish newspaper industry. The results show that price discrimination is more prevalent in competitive markets and among newspapers with low market shares. This supports predictions from recent theoretical...

Motivated by discussions in the World Trade Organization (WTO) on multilateral disciplines with respect to competition law, we develop a two-country model that explores the incentives of a less-developed country (LDC) to offer increased market access (via a tariff reduction) in exchange for a...