Over the past 60 years, urbanisation and cities have fundamentally transformed the social, economic and political geography of West Africa. The number of people living in cities increased from 5 million in 1950 to 133 million in 2010. During the same period, the number of towns and cities with...

Uncertainty is inherent to forecasting and assessing the uncertainty surrounding a point forecast is as important as the forecast itself. Following Cornec (2010), a method to assess the uncertainty around the indicator models used at OECD to forecast GDP growth of the six largest member...

IPTS recently acquired a consumer internet clickstream database containing the full set of annual (2011) clickstream records for about 25.000 internet users in the five largest EU economies (UK, Germany, France, Italy and Spain). It contains time spend on each webpage and socio-economic...

Colombia has engaged in a sustained process of fiscal decentralisation over the past decades. This paper analyses three aspects of fiscal performance for Colombia’s departments. First, it studies the sustainability aspects of subnational finances by estimating a fiscal reaction function....

This paper investigates the impact of policies and institutions on health expenditures for a large panel of OECD countries for the period 2000-10. We use a set of 20 policy and institutional indicators developed by the OECD characterising the main supply-side, demand-side, and public management,...

Computational methods to gauge investor sentiment from commonly used online data sources that rely on machine learning classifiers and lexicons have shown considerable promise, but suffer from measurement and classification errors. In our work, we develop a simple, direct and unambiguous...