Economic theory, including endogenous growth, the role of institutions, and, most importantly, the New Economic Geography (NEG), have made significant progress in explaining the emergence of core-periphery patterns behind this divergence. They point to the critical role of agglomeration, which...

Market nervousness concerning the fiscal positions of several European high-income countries poses a new challenge for the world economy. This arises as the recovery is transitioning toward a more mature phase during which the influence of rebound factors (such as fiscal stimulus) fades, and...

The world economy has entered a dangerous period. Some of the financial turmoil in Europe has spread to developing and other high-income countries, which until earlier had been unaffected. This contagion has pushed up borrowing costs in many parts of the world, and pushed down stock markets,...