Aerobic vs. Anaerobic. To understand the relationship between weights and calories, you need to know the difference between aerobic and anaerobic exercise. Sustained aerobic exercise, like steady jogging or cycling, is low intensity and can thus be done for a longer period of time.
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.
Since absolute advantage is determined by a simple comparison of labor productiveness, it is possible for a party to have no absolute advantage in anything; in that case, according to the theory of absolute advantage, no trade will occur with the other party.