Criminals are embedded in a network of relationships. Social ties among criminals are modeled by means of a graph where criminals compete for a booty and benefit from local interactions with their neighbours. Each criminal decides in a non-cooperative way how much crime effort he will exert. We...

The literature on aid has come a long way in recent years, and as a result we now know much more about aid effectiveness than possibly ever before. But significant gaps in knowledge remain. One such gap is the effectiveness of aid in the so-called ‘fragile states’, countries with critically...

Much of the current policy and scientific debate regarding territorial development focuses on territorial competition, which is a result of the outspread of competition (the centerpiece in classical and neoclassical political economy) over many aspects of other disciplines except economics,...