The Paris Declaration on Aid Effectiveness calls upon donor and partner countries to enhance the effectiveness and efficiency of country systems in a way that guarantees ownership and sustainable results. Within this context, the current paper provides a synthesis of major elements and...

Biodiversity and ecosystem services provide tangible benefits for society, such as food provisioning, water purification, genetic resources or climate regulation. These services provide critical life support functions and contribute to human health, well being and economic growth. Yet...

Experiments in psychology, where subjects estimate confidence intervals to a series of factual questions, have shown that individuals report far too narrow intervals. This has been interpreted as evidence of overconfidence in the preciseness of knowledge, a potentially serious violation of the...