The Historical Varieties of Democracy Dataset (Historical V-Dem) is a new dataset containing about 260 indicators, both factual and evaluative, describing various aspects of political regimes and state institutions. The dataset covers 91 polities globally – including most large, sovereign...

Dominant parties are known to extend the longevity of authoritarian rule. If this is so, why do leaders and elites in many non-democratic regimes refrain from investing in dominant parties? This paper examines why dominant parties emerge in some non-democracies, but not in others. Where existing...