This article suggests two methods for deriving a statistical verdict from a null finding, allowing economists to more confidently conclude when "not significant" can in fact be interpreted as "no substantive effect." The proposed methodology can be extended to a variety of empirical contexts...

The economic geography of the United States' energy landscape changed rapidly with domestic expansion of the natural gas sector. Recent work with smooth transition parameter models is extended to an establishment location model estimated using Poisson regression to test whether expansion of this...