Institutions and Elections Project Data (version 2.0). The objective of the data from the Institutions and Elections Project (IAEP) is to describe the formal institutions that are in place, even if practice does not comport with those formal rules. The data refers to the situation January 1st each year. Note: According to the documentation of the data many of the cases ``have more than one executive; [...] the executive referred to may be any one of the executives established in a country''. We urge users to refer to the documentation at the IAEP web site for information about which executive each particular case refers to.
Note: Changes from the original version: The dataset has two types of missing values, logical missing values and actual missing values. In the QoG data, logical missing values were recoded to actual missing values. To access data with logical missing values please use original dataset.
Source: IAEP (Wig et al., 2015).
Find the article at http://journals.sagepub.com/doi/abs/10.1177/2053168015579120