Why Large Corporations Purchase Property/Liability Insurance
从多元化股东角度看，大公司购买财产/责任保险可能是多余的且浪费的，但《财富》500强调查显示，公司认为保险是弥补市场不完善的有效方式。
The purchase of property/liability insurance by a large, widely held corporation may be, from the view of a diversified equity holder, redundant at best, and considering the high transaction costs involved, potentially wasteful. Yet responses from a survey of the Fortune 500 reveal that corporations find insurance an attractive method of compensating for various market imperfections.