1970-2021年金融开放指数 Chinn-Ito指数 (KAOPEN)KAOPEN基于二元虚拟变量，该变量将国际货币基金组织《外汇安排和外汇限制年度报告》(AREAER)中报告的跨境金融交易限制列表进行了编码。数据具体构造方式参考文献：“A New Measure of Financial Openness”, Journal of Comparative Policy Analysis,Volume 10, Issue 3 September 2008, p. 309 - 322. Note that this paper uses the 2007 version of the dataset (containing data up to only 2005), which will differ from the currentversion of the dataset.