Twenty years ago strategy was synonymous with formalised strategic planning. Nowadays, although strategic planning systems still exist in organisations, they are not seen as the main or only vehicle through which strategies actually develop. It is recognised that other managerial processes play...

We consider market rules for transferring IP addresses, numeric identifiers required by all computers connected to the Internet. Transfers usefully move resources from lowest to highest-valuation networks, but transfers tend to cause socially costly growth in the Internet's routing table. We...