Community based health insurance is an emerging and promising concept that has attracted the attention of policy makers as it addresses health care challenges faced by the poor. This paper discusses solutions to important incentive problems in micro-health insurance schemes which threaten their...

In 1996 the Tanzanian government initiated community health insurance schemes to improve the access to health care and to protect people against the financial cost of illness in an environment with shrinking budgets for the health sector. This study aims to evaluate the role of the community...

MRNA technology has proved in the context of the COVID-19 pandemic its breakthrough value as a basis for vaccines. There has been rapid development of highly safe, effective and robust mRNA vaccines, and these can be delivered at large scale. Yet the technology is the result of a long process of...

In the COVID-19 pandemic, governments have, among other measures, mandated the use of COVID certificates to prove vaccination, recovery or a recent negative test, and have required individuals to show certificates to access shops, restaurants, and education or workplaces. While arguments for and...

The armed conflict over economic and political power in Colombia has led to the massive displacement of people living in the areas of violence. The design of appropriate policies of prevention, assistance, and resettlement requires improved information on the determinants and effects of...

This paper measures the rural households' willingness to pay (WTP) for access to public telephone services in Bangladesh and Peru through contingent valuation methods. The development of contingent valuation methods together with the econometric expansion of qualitative response models has...

The current debate on trade liberalization is accompanied by an increased concern about environmental and food safety issues leading to frictions of different country groups under the World Trade Organization (WTO). This discussion paper aims at shedding more light on some of the issues in the...