We provide a new theory and evidence on colonial border formation in Africa. Existing accounts highlight that Europeans unilaterally drew arbitrary international borders in ignorance of local conditions. We instead show that African border formation was a dynamic process that lasted for decades,...

We present a simple model explaining corruption on geography and climate conditions. We test the model's validity in a cross-section of 115 countries. Controlling for all other corruption's determinants we find evidence supporting the model's predictions. Corruption increases with temperature...