Der Beitrag zeigt das Potenzial und die Entwicklung der biologischen Vielfalt in den letzten Jahren auf.

Intensive agriculture is often bad for wildlife. Does this imply that a goal to boost wildlife on agricultural land is best met through a general reduction in intensity? We argue that such an approach may not be optimal, since cost functions for provision of wildlife on agricultural land may be...

Fisheries economics stand on the cusp of potentially sizeable changes in orientation and policy focus, leading in turn to comparable changes in modeling and general analysis. Notably, fisheries are increasingly framed as part of the overall marine environment rather than considered as solely or...

In his PAA presidential address and corresponding article in Demography, David Lam (Demography 48:1231–1262, <CitationRef CitationID="CR32">2011</CitationRef>) documented the extraordinary progress of humankind—vis-à-vis poverty alleviation, increased schooling, and reductions in mortality and fertility—since 1960 and noted that he...</citationref>