A data set for domestic and foreign private and public R&D stocks and labour-augmenting technical change for 44 rich or emerging economies with explorations on panel unit roots, cointegration, growth rate slowdown, and con- or divergence

We extend existing data sets for domestic and foreign private and public R&D stocks as well as labour-augmenting technical change data based on CES production functions. We cover slightly more periods and many more countries, now 44 up from 17. We consider panel unit root issues for a large sample of 41 countries and two smaller samples with 21 rich and 20 emerging economies. Autoregressive regressions show negative time trends in the growth rates of labour-augmenting technical change, domestic private and domestic and foreign public R&D stocks indicating the growth slowdown in the data period; foreign private R&D has a positive time trend. Cross-section dependence and cointegration tests support only triples of variables for the set of 21 countries with long data series. Coefficients of variations, calculated across countries for each year, show no or temporary signs of (in)equality trends for growth rates of private and public R&D, and productivity.