Hi guys~ 第一篇海报笔记先给大家分享一下 contestable markets 这个知识点在A-Level Economics第四版Cambridge Press教材的section 35.5里面,首先让我们整理一下key points: Ø A market where entry is free and exit is costless Ø Contestability is the extent to which barriers to entry into a market are fr...【查看原文】