In spatial econometrics, it is customary to specify a weighting matrix, the so-called W matrix, just choosing one matrix from the different types of matrices a user is considering (Anselin, 2002). In general, this selection is made a priori, depending on the user's judgment. This decision is...

This paper is part of a broader agenda and constitutes a first step to empirically understand the main determinants of the inter-provincial trade in Argentina. We use a novel database of regional trade flows between the 24 Argentinean provinces for 2017. Using a structural gravity model and...