In a meta-analysis of spatial price transmission (PT) literature we aim to test for the presence of distance and border effects on price transmission. We use PT estimates for 1189 cereal market pairs extracted from 57 studies and seek to explain them by airline distance and existence of a...

The crisis of Greater Darfur Region of Sudan extends to other regions as the South Sudan prepares for secession next July 2011. In the past eight years Sudan's crisis in Darfur was amplified by global news media all over the world. Civil conflict erupted, developed into armed rebellions and open...

Policymakers often justify border hardening as a response to insecurity. However, evidence for security-based explanations of border fortification is limited. Instead, research points to political economy drivers like cross-border income inequality, migration, and populism. I argue that these...