Various plants and resources such as orchards are vulnerable to the detrimental effects of successful invasions by alien animal or plant species. To outline an appropriate policy response, we first use renewal theory to construct a stochastic model of optimal orchard management in the presence...

The 1860 - 1970 period is a particularly interesting period to study wine trade because of dramatic changes in the wine markets and trade over the course of a century. The dramatic changes in trade flows were caused by both "nature" and "men". Mediterranean wine trade represented around 90% of...