This paper proposes a simple method measuring spatial robustness of estimated coefficients and considers the role of administrative districts and regions' size. The procedure, dubbed "Grid and Shake", offers a solution for a practical empirical issue, when one compares a variables of interest...

In this paper, we investigate the use of interactive effect or linear factor models in regional policy evaluation. We contrast treatment effect estimates obtained by Bai (2009)'s least squares method with the popular difference in difference estimates as well as with estimates obtained using...

This paper contributes to the empirical literature by providing a quantitative measurement of the influence of regional trade integration on productivity. For this purpose we address the link between trade and productivity thanks to knowledge spillovers in a multi-country model. The...