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...

Observers have often characterized asset markets as being subject to periods of tranquility and periods of turbulence. Until recently, however, researchers were unable to produce closed-form asset pricing formulas in a model environment of time-varying risk. Some work by Abel provided us with...

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...

The paper developes a VAR macrofinance model of the Czech economy. It shows that yield misalignments from the yields implied by the macrofinance model partially determine subsequent yield changes over three to nine months. These yield misalignments tend to persist for a number of months. This...

One plausible mechanism through which financial market shocks may propagate across countries is through the effect of past gains and losses on investors'' risk aversion. We first present a simple model on how heterogeneous changes in investors'' risk aversion affect portfolio decisions and stock...

This paper discusses the 59th issue of the By-Laws and Rules and Regulations of the IMF. The By-Laws are adopted under the authority of, and are intended to be complementary to, the Articles of Agreement of the IMF. The Rules and Regulations supplement the Articles of Agreement and the By-Laws...

This paper was originally prepared for a seminar of the Executive Board of the Fund. In the seminar, Executive Directors expressed a broad range of views with regard to both the adequacy of the Fund's approach to financial programming and the validity of the analysis presented in this paper

In View of the continuation of substantial movements in exchange rate relationships among major currencies, the recent increase in protectionist pressures, and the disappointing performance of world trade, renewed concern has been expressed about the possible adverse effects of exchange rate...