I show that partial vertical integration may either alleviates or exacerbate the concern for vertical foreclosure relative to full vertical integration and I examine its implications for consumer welfare.

We determine the endogenous degree of vertical integration in a model of successive oligopoly that captures both efficiency gains and strategic effects. We show that vertical merger waves can be expected to stop by themselves before integration is complete. Consequently, vertical foreclosure...

This paper analyzes the effects of net neutrality regulation on investment incentives for Internet service providers (ISPs) and content providers (CPs), and their implications for social welfare. We show that the ISP's decision on the introduction of discrimination across content depends on a...

This paper analyzes the effects of net neutrality regulation on investment incentives for Internet service providers (ISPs) and content providers (CPs), and their implications for social welfare. We show that the ISP’s decision on the introduction of discrimination across content depends on a...

Abstract Net neutrality is hotly debated among both scholars and politicians for more than a decade already, but it’s still one of the most prominent topics in telecommunications policy. This paper reviews the recent economic literature on net neutrality following an introductory discussion of...

General (or family) practice and its role within primary care is increasingly regarded as the key to achieving efficiency and equity in many health care systems. This is particularly relevant where general practitioners (GPs) act as gatekeepers to specialist care. This chapter outlines the main...

The welfare effects of vertical integration are ambiguous. Cost efficiencies and the elimination of double marginalization may offset increases in market power and incentives to raise rivals' costs. To study the effects of vertical integration between insurers and hospitals, we develop a model...