3. Ockham's Razor: Simple and Complex Rule: it is easy to make things complicated, but it is complicated to simplify the things. This law asks us to grasp main essentials to settle most radical problems when we deal with business. Complexity can make waste, but efficiency comes from simplicity. Watch law: it says that when a person has a watch, he can know what the time now is, but when he owns two, he will confused. In business management, two different management methods and two different goals cannot be simultaneously applicable to the same people and the same organization. But for individual, you can not pick two different values at the same time, otherwise, your behavior will be disrupted.
5. Zero-sum game theory: When you watch two people play chess, you may say that they are playing "zero-sum game", there will be a winner, and a loser, if we attach a point to the winner and one-minus point to the loser, then the two scores come to 0. Actually, the concept of [zero-sum game" is gradually being replaced by [win-win" concept. Through effective cooperation, happy ending is possible. The peter principle: it is the conclusion arrived at by American studier Laurence Peter by his research to the phenomenon of promotion in a team, it says that manager used to promote those who are employable in their post, which makes employees are always dispatched into the unemployable post. This will cause an organization to be overstaffed have low efficiency. Therefore an organization should establish diversified and effective awarding mechanism rather than take promotion as the major awarding form.