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This paper explores official trade data to identify patterns of smuggling in international trade. Our main measure of interest is the difference in matched partner trade statistics, i.e., the extent to which the recorded export value in the source country deviates from the reported import value in the destination country. Analyzing 4-digit product level data for the world's five largest importers for the period from 2002-2006, we find that the reporting gaps are highly correlated with the level of corruption in both partner countries. This finding supports the hypothesis that trade gaps partly represent smuggling activities.

How many people should decide about monetary policy? In this paper, we take an empirical perspective on this issue, analyzing the relationship between the number of monetary policy decision-makers and monetary policy outcomes. Using a new data set that characterizes Monetary Policy Committees (MPCs) in more than 30 countries from 1960 through 2000, we find a U-shaped relation between the membership size of MPCs and inflation; our results suggest that the lowest level of inflation is reached at MPCs with about seven to ten members. Similar results are obtained for other measures, such as inflation variability and output growth. We also find that MPC size influences the success of monetary targeting regimes. In contrast, there is no evidence that either turnover rates of MPC members or the membership composition of MPCs affect economic outcomes.

This paper analyzes empirically differences in the size of central bank boards across countries. Defining a board as the body that changes monetary instruments to achieve a specified target, we discuss the possible determinants of a board's size. The empirical relevance of these factors is examined using a new dataset that covers the de jure membership size of 84 central bank boards at the end of 2003. We find that larger and more heterogeneous countries, countries with stronger democratic institutions, countries with floating exchange rate regimes, and independent central banks with more staff tend to have larger boards.

We test a simple model of exchange rate regime choice with data for non-OECD countries covering the period 1980-94. We find the variance of output at home and in potential target countries as well as the correlation between home and foreign real activity are powerful and robust predictors of exchange rate regime choice. Surprisingly, a more volatile foreign economy can be an argument in favor of a fixed exchange rate regime once similarities in the business cycle are taken into account. Comparable results hold for a variant of the model that focuses on nominal rather than real determinants. We also look at the impact of "mistakes" in exchange rate regime choice on actual (nominal) exchange rate volatility. Countries that deviate from the model's predicted regime by choosing fixed instead of floating exchange rates generally suffer higher exchange rate volatility than other countries having a fixed exchange rate regime. We also invetigate the role of such mistakes in within-sample episodes of current-account crises.