In most macroeconomic models, the substitutability between domestic and foreign goods is calibrated using aggregated data. This imposes homogeneous elasticities across goods, and the calibration is only valid under this assumption. If elasticities are heterogeneous, the aggregate...

In this paper we construct indices of transparency of monetary and financial policies, based on self-evaluations carried out by 135 IMF member countries in 1999, and use them to identify transparency patterns across different policies and country groups. We find that across all countries,...

The paper considers the merits of rules and discretion for monetary policy when the structure of the macroeconomic model and the probability distributions of disturbances are not well defined. It is argued that when it is costly to delay policy reactions to seldom-experienced shocks until formal...

This paper compares the SDR in terms of its risk-return characteristics relative to those of its five components and, on this basis, finds that the SDR has performed favorably over the period under review. In addition, several efficient portfolios including the SDR and its components are...

This paper explores recent versions of older ideas for stabilizing the value of money based on an independently defined unit of account. The gold standard was such a system, but suffered from gold’s fluctuating relative value and the costly need to redeem money for gold. This paper explores...

The paper argues that the endogenous behavior of monetary authorities provides an important channel through which fiscal policy influences financial variables, and that growing internationalization has increased the sensitivity of financial conditions to fiscal policy. The core of the argument...