There are now a large number of valuation studies on the benefits of biodiversity and on ecosystem services, the services provided by different ecosystems (ESS). Both ideas have been used to elicit values from nature but in recent years the research community has focussed on ESS as the main...

"The 2015 Paris Accord stated the aim to limit the increase in global mean temperatures to 2°C compared to pre-industrial levels and if possible, keep it down to 1.5°C. Achieving this is possible, but the costs incurred are uncertain and the distribution of costs among nations is indistinct....

Analyses of public goods regularly address the case of pure public goods. However, a large number of (international) public goods exhibit characteristics of different degrees of publicness, i.e. they are impure public goods. In our analysis of transfers helping to overcome the inefficient...