This paper examines the stochastic properties of aggregate macroeconomic time series from the standpoint of fractionally integrated models, and focuses on the persistence of economic shocks. We develop a simple macroeconomic model that exhibits long-term dependence, a consequence of aggregation...

We estimate the degree of amp;apos;stickinessamp;apos; in aggregate consumption growth (sometimes interpreted as reflecting consumption habits) for thirteen advanced economies. We find that, after controlling for measurement error, consumption growth has a high degree of autocorrelation, with a...

Census data from international sources covering 77% of the world's migrant population indicate that the skill composition of migrants in major destination countries, including the US, has been rising over the last 4 decades. Moreover, the population share of skilled migrants has been approaching...

Ten years ago, donors committed $1.5 billion to a pilot Advance Market Commitment (AMC) to help purchase pneumococcal vaccine for low-income countries. The AMC aimed to encourage the development of such vaccines, ensure distribution to children in low-income countries, and pilot the AMC...

Central banks have evolved for close to four centuries. This paper argues that for two centuries central banks caught up to the strategies followed by the leading central banks of the era; the Bank of England in the eighteenth and nineteenth centuries and the Federal Reserve in the twentieth...