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“复杂性与宏观经济学研究”跨学科沙龙系列讲座之二
发布时间：2011-03-22
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新加坡南洋理工大学经济系黄违洪教授
题目：The Wisdom of Simple Strategies—An Appreciation of Price-taking Behavior
简单策略的智慧—对价格接受行为的评价
时间：3月24日（星期四）3:00—4:30
地点：经济与工商管理学院1610会议室（后主楼）
主讲人：黄违洪教授
黄违洪博士，新加坡南洋理工大学人文与社会科学学院经济系终身教授，国际知名动态经济学家，主要研究方向为动态经济模型、混沌经济学和金融经济学，其研究属于动态经济学领域前沿工作，论文多次在国际会议上获奖。黄违洪教授同时担任多个跨学科综合学术期刊的编委以及国内许多学术机构和企业的顾问。
内容概要：
In a quantity-competed oligopoly, a profit maximizing firm will always leverage on all available information to "best response" to its rivals' outputs. It is deemed economically irrational if a firm ignores its market power by behaving as a price-taker. However, such beliefs were challenged if all firms produce an identical product with an identical technology (Huang, 2002). It turns out that a naive price-taker will perform no worse or even better than all sophisticated rivals in any stable equilibrium, regardless of what strategies these firms may adopt. When the total number of firms in an oligopoly exceeds three, a firm may prefer to adopt "price-taking" strategy not just for the higher relative profit compared to the rest but also higher instantaneous profit. Under many circumstances, "price-taking behavior" can be a Nash-equilibrium strategy or even the dominant strategy in game-theoretical sense.