Contractual and regulatory provisions for access affect incentives to invest in an upgraded network and, in particular, a next-generation access network. Investment decisions are made under uncertainty and have to be made over time. This papers provides a framework for taking uncertainty, risk...

We investigate cooperative investment in a new infrastructure and how it interacts with access obligations and demand uncertainty. Co-investment only increases total coverage if service differentiation and/or cost savings from joint investment, in particular due to high uncertainty, are high....

This paper presents a possible solution to financial crises by addressing the core of the problem of systemic risk. To get there, it first illustrates a number of crises related situations before the definition of systemic risk is detailed. It then explains challenges of systemic risk and...

The 1990s were designated as the International Decade for Natural Disaster Reduction. Yet, almost ten years after the close of that decade, many issues remain unresolved about the nature of disasters and their impact on human beings, other life forms and the natural environment. There is the...