Hyperparameters critically influence how well machine learning models perform on unseen,
out-of-sample data. Systematically comparing the performance of different hyperparameter …

We study the implications of post-treatment bias in the context of the globalization backlash.
We discuss whether horse-race regressions can inform about the relative role of economic …

The presence of large cities increases the probability of authoritarian breakdown, but the
literature has offered little empirical insight as to how challenges to authoritarian rule …

ABSTRACT Regional and Federal Studies' 30th anniversary offers an opportunity to take
stock of the state of the discipline and of the journal. We make four claims. First, the multi …

The existence of latent clusters with different responses to a treatment is a major concern in
scientific research, as latent effect heterogeneity often emerges due to latent or unobserved …

Identifying armed group presence is often helpful for conflict studies to examine patterns of
conflict. Armed group presence is often used as the main variable of interest in several …

States are simple compared to the complex web of social ties, phenomena, and processes
that make up the societies they attempt to govern. This creates a high potential for state …

The built environment refers to the human made space in which humans live, work and
recreate on a day-to-day basis. As such, it constrains and enables individual choices and …

RESUMO O objetivo deste artigo é investigar como a educação afeta 1) a estruturação das
atitudes por políticas sociais, definida como a correlação entre atitudes em diversas áreas …

This paper investigates how education affects 1) the structure of beliefs toward social
policies, defined as the correlation between attitudes in areas such as education, health …