The present note raises the issue of how best to interpret the World Bank's (WB) much used "constant USD per capita income" concept and similar series. We find that the guide to its construction appearing on the WB data portal to be sketchy. The procedures essentially convert all host-country...

This paper analyses the long memory properties of quarterly real output per capita in the US (1948Q1 - 2008Q3) using non-parametric, semi-parametric and parametric techniques. The results vary substantially depending on the methodology employed. Evidence of mean reversion is obtained in a...

This paper investigates the robustness of determinants of economic growth in the presence of model uncertainty, parameter heterogeneity and outliers. The robust model averaging approach introduced in the paper uses a flexible and parsimonious mixture modeling that allows for fat-tailed errors...

We derive monthly and quarterly series of UK GDP for the inter-war period from a set of monthly indicators that were constructed by The Economist at the time. The monthly information is complemented with data for quarterly industrial production, allowing us to employ mixed-frequency methods to...

This paper studies a famous unsolved puzzle in quantitative social science. Why do some nations report such high levels of mental well-being? Denmark, for instance, regularly tops the league table of rich countries' happiness; Britain and the US enter further down; some nations do unexpectedly...

How can we assess the welfare of a society, its evolution over time and predict its change due to particular policy interventions? One way is to use survey-based welfare indicators such as the OECD Better Life Index. It invites people to weight a variety of quality of life indicators according...

Investment statistics of the People's Republic of China are a source of many puzzles. Some investment data are of dubious quality, while the particular concepts of investment and their changing definitions over time are often poorly understood. Fixed asset investment, a remnant of the planned...

Preparations are underway to revise national accounting to implement actuarial recording of pension liabilities for corporations and government as an employer. This paper extends this to unfunded public pensions with the help of "implicit tax" in pension contributions. The clearest advantages of...