Why are some nations wealthy and others poor? How did the wealthy nations become rich? What are the components of wealth? How should nations manage their wealth for the future? These are among the most important questions in economics. They are also impossible to answer without defining wealth,...

The World Bank has been publishing estimates of adjusted net or 'genuine' saving since 1999. This measure of saving treats depletion of natural resources as a type of economic depreciation. Recent theoretical results relating growth in saving to growth in future consumption are used to provide a...

How rich would resource-abundant countries be if they had actually followed the Hartwick Rule (invest resource rents in other assets) over the past 30 years? Hamilton, Ruta, and Tajibaeva use time series data on investments and rents on exhaustible resource extraction for 70 countries to answer...

With the notable exception of China, in most countries with below-median per capita income the growth rate of the population is greater than that of total wealth. This trend is ultimately unsustainable. For many of these countries, policies for sustainability will require both boosting savings...

Questions about the ultimate size of mineral and energy resource endowments and the degree of fiscal prudence which should be exercised by countries engaged in resource extraction have become central for many developing countries during the recent resource boom. To explore these questions, this...

Questions about the ultimate size of mineral and energy resource endowments and the degree of fiscal prudence which should be exercised by countries engaged in resource extraction have become central for many developing countries during the recent resource boom. To explore these questions, this...

How rich would resource-abundant countries be if they had actually followed the Hartwick Rule (invest resource rents in other assets) over the past 30 years? The authors use time series data on investments and rents on exhaustible resource extraction for 70 countries to answer this question. The...