作者:Jiaxin Li
摘要:1 Market categories and economic efficiency In market economy,there are four types of markets:perfect competition,monopolistic competition,oligopoly,monopoly.The main differences among them are the ability to set price,barrier to enter and exit the market,numbers of companies.To study innovation’s efficiency in these markets,it is necessary to understand their special characteristics.To simplify the problem,when patent is employed,only the innovation company has the access to this new technology.When it does not exist,every company in the market can use the new technology.In perfect competition market,there are no barrier to enter or exit and lots of companies producing identical products,so no company can set the price.
發文機構:Maple Leaf International School
關鍵詞:COMPANIESPRICEPERFECT
分類號: F42[經濟管理—產業經濟]