This article aims to identify the debate on the triad economy, energy and environment, providing a greater focus to the issue of climate change. After historically contextualize the economic use of energy and expose the current global energy picture, describes the environmental issue in the...

The deterioration of protected natural areas due to over-visiting is a frequent situation. In this article we modelize the management of access to such places in an adverse selection setting. The regulator offers each visitor a contract based on a limited right of access together with a monetary...