The Varieties of Democracy (V-Dem) project relies on country experts who code a host of ordinal variables, providing subjective ratings of latent- that is, not directly observable- regime characteristics over time. Sets of around five experts rate each case (country-year observation), and each...

The Varieties of Democracy (V–Dem) project relies on country experts who code a host of ordinal variables, providing subjective ratings of latent—that is, not directly observable—regime characteristics over time. Sets of around five experts rate each case (country-year observation), and...

The Varieties of Democracy (V–Dem) project relies on country experts who code a host of ordinal variables, providing subjective ratings of latent - that is, not directly observable - regime characteristics over time. Sets of around five experts rate each case (country-year observation), and...

This paper presents a new method inspired by evolutionary biology for analyzing longer sequences of requisites for the emergence of particular outcome variables across numerous combinations of ordinal variables in social science analysis. The approach involves repeated pairwise investigations of...