This paper reviews past trends in public pension spending and provides projections for 27 advanced and 25 emerging economies over 2011-2050. In constructing these projections, the paper incorporates the impact of recent pension reforms and highlights the key assumptions underlying these...

The paper describes a global model consisting of several industrial and developing country blocks built to analyze alternative economic policies in a medium-term context. The model, which has been used to construct medium-term scenarios for the World Economic Outlook, consists of aggregate...

The paper shows that an increase in the aggregate fiscal deficit of the industrial countries may worsen the economic growth and fiscal balance of the developing countries that are burdened with external debt and facing current account constraints. The discussion is based on theoretical analysis...

This paper explains different features of the MULTI-region econometric MODel (MULTIMOD). MULTIMOD is designed to examine the effects on that baseline of scenarios that involve changes in policies in major countries and other exogenous changes in the economic environment. The Mark II version...

The paper examines empirically the question of whether more unequal societies spend more on income redistribution than their more egalitarian counterparts. Theoretical arguments on this issue are inconclusive. The political economy literature suggests that redistributive spending is higher in...

Experience shows that there is often ample room for more effective and efficient use of investment tax incentives in low-income countries. Tax incentives generally rank low in investment climate surveys in low-income countries, and there are many examples in which they are reported to be...