Due to these concerns, lorazepam use is generally only recommended for up to two to four weeks. Lorazepam was initially patented in 1963 and went on sale in the United States in 1977. It is on the World Health Organization's List of Essential Medicines, the most effective and safe medicines needed in a health system.
David Ricardo, the British economist who invented the theory of comparative advantage in 1817, actually knew about this problem perfectly well, and wrote about it in his book on the subject. So there's no excuse for modern economists to ignore it. Dubious Assumption #6: Short-term efficiency causes long-term growth.
absolute advantage. In the theory of international trade, a country or firm has an absolute advantage if it can produce a product (good or service) more 'efficiently' (cheaply) than others. First suggested by the UK economist Adam Smith (1723-90) as an extension of his division of labor doctrine. See also absolute cost advantage and competitive advantage.