This paper examines how a radical technological innovation affects alliance formation of firms and subsequent network structures. We use longitudinal data of interfirm R&D collaborations in the biopharmaceutical industry in which a new technological regime is established. Our findings suggest...

This discussion paper has led to a publication in the <I>Journal of Business Ethics</I>, 2013, 117(3), 601-13.<P> Halal certification of financials product may reduce transaction costs for its buyers when it provides a trusted standard for investors that seek to comply with Islamic law. However, we show...</p></i>

This discussion paper resulted in an article in <I>Journal of Health Economics</I> (2013). Volume 32, issue 6, pages 1180-93.<P> Public providers have no financial incentive to respect their legal obligation to exempt the poor from user fees. Health Equity Funds (HEFs) aim to make exemptions effective by...</p></i>

Does medical insurance affect health care demand and in the end contribute to improvements in the health status? Evidence for China for the year 2004, by means of the China Health and Nutrition Survey (CHNS), shows that health insurance does not affect health care demand in a significant manner....

We estimate the impact on health care utilization and out-of-pocket (OOP) expenditures of a major reform in Thailand that extended health insurance to one-quarter of the population to achieve universal coverage while keeping health spending below 4% of GDP. Identification is through comparison...

We provide evidence from a large-scale field experiment on the causal effects of audit rules on compliance in a market for long-term care. In this setting care should be provided quickly and, therefore, the gatekeeper introduced ex-post auditing. Our results do not show significant effects of...

When public long-term care (LTC) insurance is provided by insurers, they typically lack incentives for purchasing cost-effective LTC. Providing insurers with appropriate incentives for efficiency without jeopardizing access for high-risk individuals requires, among other things, an adequate...

We formulate a simple model of optimal defensive disclosure by a monopolist facinguncertain antitrust enforcement and test its implications using unique data on defensivedisclosures and patents by IBM during 1955-1989. Our results indicate that strongerantitrust enforcement leads to more...

Following formal privatisation of farm land and assets in CentralEurope, the change in agriculturalproduction structures has been both more limited and different thanwas initially expected. In this paper, thetheoretical reasons underlying those expectations are reviewed. Analternative...

Transaction costs play a key role in the behaviour of smallholders in developing countries. We exploit the introduction of an additional tobacco auction floor in Malawi to investigate the impact of a reduction in transaction costs and improved market access on production per hectare and the...