The geographic concentration of economic activity occurs because transport costs for goods, people and ideas give individuals and organisations incentives to locate close to each other. Historically, all of these costs have been falling. Such changes could lead us to predict the death of...

Business support policies designed to raise productivity and employment are common worldwide, but rigorous micro-econometric evaluation of their causal effects is rare. We exploit multiple changes in the area-specific eligibility criteria for a major program to support manufacturing jobs...

Average earnings vary widely across the regions of Britain, a fact that has prompted many decades of policies aimed at reducing regional disparities. But as Henry Overman and Steve Gibbons demonstrate, such variation reveals little, especially if we ignore regional differences in the cost of...