投资革命

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• 遗憾的是，在互联网电商领域，长尾现象有消失的趋势。来自淘宝的统计数据发现，畅销品构成的短头越来越粗，而其他产品构成的长尾越来越短，甚至消失了。对于整个平台系统而言，长尾效应的消失是致命的。它将导致整个平台不再外延扩张，而是向内收缩，导致平台被锁住，整个生态系统遭到破坏。而同时，还有很多案例显示马太效应对于经济、文化等系统的破坏力量。破坏的根源在于马太效应遏制多样性、创新的产生。 (查看原文)

  无痕 2赞 2015-01-29 14:33:45

• Keynes uses the expression “Liquidity Preference” to describe the idea that investors will not part with their cash unless they perceive the reward for doing so as adequate. Interest, in other words, is not only a reward for saving; it is a reward for taking the risk of owning assets that fluctuate in value and are costly to buy and sell. Money, the basic liquid asset, cannot fluctuate in price, because it itself defines price. Moreover the cost of using money to pay for things is minimal, most often zero. If other assets shared these unique attributes, stocks and bonds and even real estate could circulate as money. Other assets do not share these attributes, however. Their future prices are uncertain, and buying and selling them is costly. All other things being equal, therefore, people p... (查看原文)

  Kevin Lee 1赞 2018-09-24 15:49:56

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