This paper argues that all historical data series should be accompanied by formal estimates of their margins of error. We discuss the nature of errors in data series and review earlier attempts to assess their reliability. We show how overall margins of error may be calculated for historical...

This paper surveys the experience of economic growth in the 20th century with a focus on technological change at the frontier together with issues related to success and failure in catch-up growth.  A detailed account of growth performance based on historical national accounts data is given and...