Only few models exist which allow for a regime-dependent spatial price equilibrium. This paper focuses on the price insulating effects of export restrictions. The theory of a Walrasian equilibrium and the spatial price equilibrium theory suggest that export restrictions lead to multiple spatial...

Recently, discussion about the appropriate estimation of gravity trade models has started in agriculture. Here, we are going to review recent developments in the literature. It appears that fixedeffects Poisson Pseudo Maximum Likelihood is not only the only consistent estimator [Santos Silva and...