This paper updates the existing meta-analysis in coral reef recreation taking into account the previous work of Brander et al. (2007) but considering some stated preference biases and/or effects. The present meta-analysis uses twice the number of observations as the previous one and sheds more...

Coral reefs may naturally flip between coral-dominated and algae-dominated states, when species' stocks trespass some threshold levels. This essay uses a stylized model of a coral reef to show how fishing may induce flips towards more algae-dominated states. Threshold effects have consequences...

Italian demand for organic products is rapidly increasing, yet there is currently no supply of certified organic marine-fish. Moreover, over recent years marine fish farm profitability has been reduced because of competition from imported products. A pilot project was carried out in order to: a)...