The paper is about the art of exchange rate management by central banks. It begins by reviewing the diversity of objectives and practices of central bank intervention in the foreign exchange market. Central banks typically exercise discretion in determining when and to what extent to intervene....

As the Eurozone crisis drags on, it is evident that a part of the problem lies in the architecture of debt and its liabilities within the Eurozone and, more generally, the European Union. This paper argues that a large part of the problem can be mitigated by permitting appropriately-structured...

The paper develops a simple model to demonstrate that, paradoxically, greater competition may exacerbate the problem of corruption. Market participants engaging in corrupt practices enjoy lower production costs-maybe because they pay a bribe to avoid installing the environmental safeguards...

A frequent charge in foreign exchange markets in developing countries is that of manipulators being at work. Since to buy is to raise prices and to sell is to lower prices, the question that naturally arises is whether the widespread charge of market manipulation is valid. The paper shows that...

This paper analyzes the evolution of sovereign credit ratings in the wake of the global financial crisis by studying changes in actual, shadow, and relative ratings between 2008 and 2012. For countries that do not have a rating from the major rating agencies, shadow ratings are estimated as a...

The World Bank Group recently adopted two overarching goals-the end of extreme, chronic poverty in the world by 2030 and the promotion of shared prosperity in every society. The paper examines the normative properties of these goals, their strengths and weaknesses, and their implications for...

The method of randomization has been a major driver in the recent rise to prominence of empirical development economics. It has helped uncover patterns and facts that had earlier escaped attention. But it has also given rise to heated debate and controversy. This paper evaluates the method of...

This paper investigates the role of fiscal guarantees in promoting infrastructure investment. Infrastructure is a critical driver of economic growth, but infrastructure entails significant up-front costs that yield benefits after a time lag. Investors hesitate to put their money down on private...

The paper argues that to achieve compliance of firms with regulations such as product quality or environmental or health standards it is better to have industries with a few large corporations than numerous small firms. A model is constructed to show that limited liability constraints bind more...

Ponzis are among the most ubiquitous and least understood phenomena of economic life. They acquired a certain salience with the global financial crisis of 2008 and the crash of Bernie Madoff's celebrated Ponzi scheme. This paper explains the structure of Ponzi schemes and goes on to argue that...