Agricultural trade is vitally important for achieving the goal of ending hunger by 2030 enshrined in the second Sustainable Development Goal (SDG). While trade is frequently seen as posing threats to this vitally important goal, it can in fact play a major role in achieving it. Trade helps in a...

The gravity model is now widely used for policy analysis and hypothesis testing, but different estimators give sharply different parameter estimates and popular estimators are likely biased because dependent variables are limited-dependent, error variances are nonconstant and missing data...