Incluye bibliografía e índice.
Introduction -- Historical and geographical propensities to violence -- Colombian economic history : regional context and Colombian policies -- The main actors in the 1990s and into the twenty-first century : guerrillas and paramilitaries -- Differences within Colombia and available subnational data -- Guns and protection : guerrillas and paramilitaries -- The effects of illegal drugs and violence on the Colombian economy -- Acknowledging constraints to find comprehensive peace : the four cornerstones of pacification.