不确定度概述（Overview of uncertainty）.docVIP

不确定度概述（Overview of uncertainty） With its wealth, in order to avoid further losses, he will take measures to avoid the risk and become risk averse; when he was on the verge of bankruptcy, to avoid the already unable to quickly change the status quo, he will by virtue of surplus wealth in order to show a stroke risk preference attitude. However, in general, we assume that peoples risk attitudes are risk averse, this is because the risk may lead to loss of our attention and research; people are most concerned about is the risk and the resulting loss of our life and economic development impact and consequences. If an individual is risk averse, then he likes a certain income or is willing to be in a certain state. If the individual is in a certain state from the start, then he will never accept the game, even if the game is fair. However, nature always leaves the individual in a state of choice; that is, the individual is always in an uncertain state. Under the assumption of risk aversion, individuals can move from uncertain states to definite states by exchanging different states, thus enhancing their effectiveness. Insurance, as we know it, is the kind of contract that enables an individual to change from an uncertain state into a certain state. Therefore, under the assumption of risk aversion, there is a natural tendency of insurance demand. Two, uncertainty and insurance supply and demand In the above analysis, assumption that individuals are risk averse, naturally makes the individual in a state of uncertainty, so of course there are individual risk shifting, eliminate the uncertainty of demand; and the insurance contract can meet the individual transfer of risk, to eliminate the uncertainty of demand. So, what is an insurance contract? Generally speaking, we always consider insurance as a contract for the insurer to pay the premium in return for the insurers performance of compensation or liability in the event of an agreed insurance accident. In the insurance cont