少为人知的10个经济问题（10 less known economic problems）.doc

少为人知的10个经济问题（10 less known economic problems） Although I am not a traditional economist, I am interested in economics. Although not everyone has the same concerns about economics, I still think people should have a good understanding of it. After all, economics is important for understanding the world around us. The following list of controversial, but is not to provoke readers or provoke controversy; chose these ideas is to face some of the current world economy, some explanations and less known, inspire readers to think. Comments are expressed on the issues mentioned in the comments. 10. Value Paradox Also called diamond and water paradox. The paradox of the value paradox is that water is more useful than diamond in terms of survival, but the market value of diamonds is higher than that of water. The argument is that diamonds are less expensive than water, so they are in short supply and the price increases. However, we should consider the fact is that the earths water is less than 1% for drinking; at the same time to consider another fact is that the shortage of clean drinking water, is one of the worlds urgent problem need to be solved: 2 million people due to the lack of potable water and die every year, and another 500 million people sick. The paradox may be explained by subjective value theory. According to the theory, value is determined by the needs and desires of society, not by what is inherent in things. In developed countries, drinking water is not only inexhaustible, but also regarded as a right. Just because we dont have to pay for the water, the extra money can be spent on non essential items like diamonds. Drinking water has a higher value than the population of developing countries. 9. imagine Brooks Proposed by two economists, Daniel, Paul and Li Ang, Nader, Brooks. They believe that the increase in energy efficiency often leads to higher energy consumption: This was proved in the 90s. Where is the mystery? Wikipedia made a clear answer: Higher en