http://www.almotamar.net صحيفة إلكترونية يومية تصدر عن حزب المؤتمر الشعبي العام (اليمن) http://www.almotamar.net/1354.htm 2006-10-29 No economy is a closed, autonomous universe, governed by rules independent from law, morals, and politics. Indeed, the most interesting economic questions are generally located on the borderline with neighboring disciplines. But nowhere is this clearer than in the interaction between economic processes and the natural environment.