Spanish Abstract: La teoría económica pretende informar al regulador cómo maximizar el bienestar social incluso a través de la regulación ambiental; para cumplir este objetivo, el regulador requiere a veces valorar los recursos medioambientales a partir del uso de metodologías económicas...

English abstract: This paper proposes a critical reading of the precautionary principle, looking further, specifically, some issues that undermine the principle balance as guidelines for making decisions of who is responsible for taking them. Thus, the article is structured in two parts, (i)...