We investigate the marginal productivity of investment across countries. The aim is to estimate the return on … return on 'aid investments' and 'domestic investments'. Across different estimators and two different sources for GDP and … investment data our findings are remarkably robust; the average gross return on 'aid investments' is about 20 per cent. This is …

We investigate the role rates of return and rates of asset price decline play in explaining sources of productivity … countries in the period of 1990 − 2007. We introduce a constant rate of return to capital and a constant rate of ICT price … capital quality and composition rather than quantity. -- ICT Capital ; Asset Prices ; Rates of Return ; Growth Accounting …