Free patient mobility among autonomous providers has been often considered an effective stimulus for enhancing healthcare. However, some jurisdictions may underperform due to the existence of economies of scale and spatial spillovers. Where regions assume the costs of providing care to...

This article contributes to immigration literature by applying a Random Utility Maximization model to derive a migration gravity model that explains factors affecting migration outflows per administrative unit and region for the country of Colombia. Negative binomial cross-sectional estimates...

Purpose This study proposes spatial origin-destination threshold Tobit to address spatial interdependence among bilateral trade flows while accounting for zero trade volumes. Design/methodology/approach This model is designed to capture multiple forms of spatial autocorrelation embedded in...

Fixed effects (FE) in panel data models overlap each other and prohibit the identification of the impact of ''constant'' regressors. Think of regressors that are constant across countries in a country-time panel with time FE. The traditional approach is to drop some FE and constant regressors by...