Volatility tests are an alternative to regression tests for evaluating the joint null hypothesis of market efficiency and risk neutrality. Acomparison of the power of the two kinds of tests depends on what the alternative hypothesis is taken to be. By considering tests based on conditional...

Andy Rose (2000), followed by many others, has used the gravity model of bilateral trade on a large data set to estimate the trade effects of monetary unions among small countries. The finding has been large estimates: Trade among members seems to double or triple, that is, to increase by...

The finding of Feldstein and Horioka (1980) that countriesf investment rates are highly correlated with their national saving rates has by now been confirmed by many subsequent studies, even though their inference that international capital mobility nust be low has not been as widely accepted....

To update a famous old statistic: a political leader in a developing country is almost twice as likely to lose office in the 6 months following a currency crash as otherwise. This difference, which is highly significant statistically, holds regardless whether the devaluation takes place in the...

Developing countries traditionally exhibit passthrough of exchange rate changes that is greater and more rapid than high-income countries, but have experienced a rapid downward trend in recent years in the degree of short-run passthrough, and in the adjustment speed. As a consequence, slow and...

The revival of interest in nominal GDP (NGDP) targeting has come in the context of large advanced economies. We consider the case for NGDP targeting for mid-sized developing countries, in light of their susceptibility to supply shocks and terms of trade shocks. For India, in particular, one...

What explains the success of Mauritius, a top performer among African countries? It has mostly followed growth-enhancing policies, which can in turn be attributed to sound institutions. But from where did the institutions come? Mauritius chose well around the time of independence in 1968, for...

It is striking how often countries with oil or other natural resource wealth have failed to grow more rapidly than those without. This is the phenomenon known as the Natural Resource Curse. The principle has been borne out in some econometric tests of the determinants of economic performance...