Received: 22 February 2008 Revised: 28 February 2008 2nd Revision: 9 March 2008 Accepted: 9 March 2008 Abstract Research assessment can be based either on expert evaluation or bibliometric evaluation. This opinion paper evaluates pros and cons of these two approaches, concluding that they are complementary approaches. Therefore, they should be properly combined and synchronized to form an infor...

The total ozone distribution in March 1997 showed very low values in the North Atlantic-European region, even lower than in the years before. A spatial pattern correlation between the zonally asymmetric part of total ozone and that of the 300 hPa surface geopotential of the Northern Hemisphere was applied to examine the spatial structure of the low ozone values and its dynamic dependence. A tre...

We consider the strategic role of uncertainty and information acquisition for the mitigation of global warming which is modeled using a standard framework for private provision of a public good. Prior to the voluntary contribution mechanism, we allow for investments in information about the country-specific benefit of reductions of the emissions of greenhouse gases. We show that information acq...