Among biologists it is generally recognized that market activity is having a devastating effect on the biological world. The current worldwide loss of biodiversity may be of the same order of magnitude as the five mass extinctions which have decimated life on earth during the past 500 million...

Resource use policy based on standard (neoclassical) economic theory is driven by the assumption that “getting the prices right” is the key to sustainable resource use. Although most neo‐classical economists now agree that market prices may substantially undervalue biological features, the...