West Virginia, home to approximately 1.77 million residents, has been grappling with significant economic challenges characterized by persistent poverty and sluggish growth. Despite ongoing development efforts, the state's Gross State Product (GSP) has seen only a modest increase of 0.1% over...

The purpose of this article is a comparative analysis of regional and temporal labor market differentiation. In the study, the following voivodeships were taken as comparative objects. In accordance, following the administrative division, the voivodeships were adopted, while the research period...

This paper examines the impact of protectionist policies on exports within global value chains (GVCs), using the COVID-19 pandemic as a natural experiment. Leveraging UK customs data (2017–2020) and a shift-share identification strategy, we estimate an elasticity of exports with respect to...

We analyze the impact of tourist flows on local labor markets, following a novel identification strategy that uses temporary shocks in alternative international destinations to instrument for tourism flows across Spanish regions. We find that a one standard deviation increase in tourist inflows...

A recent econometric literature shows two distinct paths for identification with shift-share instruments, leveraging either many exogenous shifts or exogenous shares. We present the core logic of both paths and practical takeaways via simple checklists. A variety of empirical settings illustrate...