Surveys rank Russians among the unhappiest people in the world. Contrary to popular accounts of a uniquely melancholic national character, the subjective wellbeing of Russians depends heavily on both individual and collective economic wellbeing. Individual differences in living standards account...

Few sociologists treat housing as a key independent variable, despite the emergence of disparate bodies of research analyzing how housing affects outcomes that traditionally interest sociologists. Scholars across the social sciences have proposed and tested mechanisms whereby housing could shape...

Political science data often contain grouped observations, which produces unobserved "cluster effects" in statistical models. Typical solutions include (1) ignoring the impact on coefficients and only adjusting the standard errors of generalized linear models (GLM) or (2) addressing clustering...

Political scientists often consider multiple empirical models of the same process. When these models are parametric and non-nested, the null hypothesis that two models fit the data equally well is commonly tested using methods introduced by Vuong (1989) and Clarke (2003, 2007). The objective of...

We examine the fate of generalist interest organizations as interest communities become more crowded. One of the core ideas of population ecology theory is the notion of competitive exclusion. This hypothesis suggests that through niche partitioning among similar organizations and the...