We construct a model for differentiated Cournot competition between service-based and infrastructure-based firms, out of which one infrastructure-based firm (the incumbent) supplies to the service-based firms. We seek for and compare the socially optimal and the incumbent’s profit maximizing...

This study analyzes under which circumstances it may be desirable for the government to stimulate open source software as a response to market failures in software markets. To consider whether policy intervention can increase dynamic efficiency, we discuss the differences between proprietary...

The current institutional reforms in the Dutch healthcare sector may increase the extent of vertical relations (such as vertical contracts and vertical integration) between insurers and healthcare providers. Vertical relations may have both welfare increasing and welfare reducing effects. In...

The paper focuses on the relationship between competition and quality in the Dutch hospital sector. We analyse the period of 2004-2008, in which a healthcare reform took place in the Netherlands, introducing competition in the healthcare sector. The increased attention to hospital quality and...

We explore whether a Financial Transactions Tax (FTT) is likely to correct the market failures that have contributed to the financial crisis, to what extent FTT succeeds in raising revenues, and how the FTT compares to alternative taxes in terms of efficiency. We find little evidence that the...

The financial crisis has been attributed partly to perverse incentives for traders at banks and has led policy makers to propose regulation of banks' remuneration packages. We explain why poor incentives for traders cannot be fully resolved by only regulating the bank's top executives, and why...

This paper provides an analysis of exclusive contracts between health care providers and insurers in a model where some consumers choose to stay uninsured. In case of a monopoly insurer, exclusion of a provider changes the distribution of consumers who choose not to insure. Although the...

A renewable obligation combined with tradable renewable energy certificates is a market-based instrument used to promote the production of electricity from renewable energy sources. A renewable obligation is an alternative for subsidies. A renewable obligation will only be an efficient...

We analyse downstream access and capacity choice in the market for wireless telecommunications, where spectrum rights are owned by vertically integrated duopolists and may be traded. In the market for wireless telecommunications, radio spectrum is an essential input. Prior to network...