This is a replication of Mayshar et al. (2022) (henceforth MMP).1 The article posits that the state (defined as societal hierarchy such as tax-levying elites) originated from cultivation of appropriable cereal grains, contrary to the conventional theory that the state originated from increased...

The economics 'credibility revolution' has promoted the identification of causal relationships using difference-in-differences (DID), instrumental variables (IV), randomized control trials (RCT) and regression discontinuity design (RDD) methods. The extent to which a reader should trust claims...

Amazon's Mechanical Turk is a very widely-used tool in business and economics research, but how trustworthy are results from well-published studies that use it? Analyzing the universe of hypotheses tested on the platform and published in leading journals between 2010 and 2020 we find evidence of...