Last week, I noted the possibility of using measures of farm productivity and efficiency as a means of measuring sustainability. It seems I wasn't the only one thinking along these lines. In the newest issue of the journal Applied Economic Perspectives an Policy, three professors at Wageningen University in the Netherlands, Daniel Gaitan-Cremaschi, Miranda Meuwissen, and Alfons Lansink, offer a more fully developed proposal along the same lines. Here's the abstract from the paper.