New Tools in Comparative Political Economy
介绍了一个覆盖177个国家、21年（1975-95）的大型跨国数据库：政治制度数据库，详细说明了其变量构建、定义及创新点，包括制衡、任期稳定性、政党归属和立法机构碎片化等指标，对研究政治制度与经济关系的学者有重要参考价值。
This article introduces a large new cross-country database, the Database of Political Institutions. It covers 177 countries over 21 years, 1975-95. The article presents the intuition, construction, and definitions of the different variables. Among the novel variables introduced are several measures of checks and balances, tenure and stability, identification of party affiliation with government or opposition, and fragmentation of opposition and government parties in the legislature.