This paper attempts to use network theory, drawn from recent work in sociology, engineering, and biological systems, to suggest that the current crisis should be viewed as a network crisis. The author surveys the concepts of networks, their defining characteristics, applications to financial...

A central question for policy makers concerned with helping the poor through a macro crisis is how to target scarcer resources at a time of greater need. Technical arguments suggest that finer targeting through tightening individual programs or reallocation resources towards more tightly...

While diversification of exports is often a desirable trade objective, it is far from clear how best to tap into new opportunities. This paper discusses the range of avenues of diversification, including (i) expanding the range of markets into which existing products are sold (geographic...

The view that policies directed at the real exchange rate can have an important effect on economic growth has been gaining adherents in recent years. Unlike the traditional 'misalignment' view that temporary departures of the real exchange rate from its equilibrium level harm growth by...

This paper provides an overview of the major current debates on infrastructure policy. It reviews the evidence on the macroeconomic significance of the sector in terms of growth and poverty alleviation. It also discusses the major institutional debates, including the relative comparative...

How hospitable will the global environment be for economic growth in the developing world as we come out of the present financial crisis? The answer depends on how well the author manage the following tension. On the one hand, global macro stability requires that we prevent external imbalances...

This paper deals with global mitigation strategy. More specifically the main purpose is to address the question of whether growth in the developing world is consistent with long?run climate change objectives. The first part of this paper lays out time paths for emissions for countries in various...

This paper offers a personal review of the current state of knowledge on monetary policy. In a nutshell, what Friedman knew-have survived, but that modern monetary policy departs in some important ways from older principles? The older wisdom that monetary policy determines inflation in the long...

There is no longer any serious debate about whether greenhouse gas emissions from human activity are altering the earth's climate. There is also a broad consensus that efficient mitigation of emissions will require carbon pricing via market based instruments (charges or auctioned tradable...

Low tax revenue and slow economic growth are two central concerns in developing countries. However, policies that raise tax revenue also harm economic growth. With tax revenue coming mainly from large capital-intensive firms, and with a large informal sector, policies that aid large firms and...