<title>A<sc>bstract</sc> </title> Airport planning is shifting from the traditional pattern -- driven by long-term point forecasts, high standards, and established clients -- to that of recognizing great forecast uncertainty, many standards and changeable clients. This is a consequence of economic deregulation of...

Investments decisions for airport capacity expansion are usually taken, either when demand exceeds the current capacity and the airport is working under congestion, or when current demand is expected to overcome current capacity sometime in the near future. In any case, decisions are taken...