This paper estimates a gravity model to address the issue of whether intra-Arab trade is too little. Although gravity models have been extensively used to measure bilateral trade among countries, they have—to the best of our knowledge—never been used to measure intra-Arab trade. Our results...

What explains the variety of political behavior observed across the Arab world in recent years? We model political participation as a continuum from non-violent to violent activities where the chief purpose of political action is to signal discontent. The credibility of those signals, however,...