It is widely believed that fuel prices tend to rise swiftly when oil prices increase, but take longer to fall after oil prices decrease. This ¡°rockets and feathers¡± pattern could be due to tacit collusion at some level of the supply chain. We test the ¡°rockets and feathers¡±...

Single-source, or non-competitive, defence procurement is a widespread phenomenon that is prevalent both in developing countries and in advanced arms exporting countries. The usual competitive bidding process - which assists in both value-for-money evaluation and in lowering corruption risk - is...