Metulini, Rodolfo; Patuelli, Roberto; Griffith, Daniel A. - 2016
international trade flows, as it permits a better accounting for large numbers of zero flows. Nevertheless, as trade flows are not … literature of gravity modelling of trade. This paper contributes to the literature in two ways. First, by employing a stepwise … the count and the logit process. Applying this estimation strategy to a cross-section of bilateral trade flows between a …