Inspired by the success of evidence-based medicine, environmental scholars and
practitioners have grown enthusiastic about applying a similar evidence-based approach to …

Objectives To model the steps involved in preparing for and carrying out propensity score
analyses by providing step‐by‐step guidance and Stata code applied to an empirical …

Abstract Difference-in-difference (DD) methods are a common strategy for evaluating the
effects of policies or programs that are instituted at a particular point in time, such as the …

In this study, we present integrated quantitative proteome, transcriptome, and methylome
analyses of hematopoietic stem cells (HSCs) and four multipotent progenitor (MPP) …

The propensity score plays a central role in a variety of causal inference settings. In
particular, matching and weighting methods based on the estimated propensity score have …

Municipal governments play a vital role in American democracy, as well as in governments
around the world. Despite this, little is known about the degree to which cities are responsive …

Although recent research documents a positive relation between corporate transparency
and the proportion of independent directors, the direction of causality is unclear. We …

While multiple regression has been a popular statistical choice for postsecondary
researchers, it can only tell us the effect of an independent variable on the mean of y. In …

Trades of money for political influence persist at every level of government. Not surprisingly,
governments themselves trade money for political support on the international stage …

Why do poor people often vote against their material interests? This puzzle has been
famously studied within wealthy Western democracies, yet the fact that the poor voter …