their results suggest that ols estimates of skills premia in terms of both wages and employment outcomes may well provide a lowerbound estimate of the true returns to skills but they report radically different pictures as regards the relative importance of the returns to problemsolving in technologyrich environments which will refer to in shorthand as ictliteracy skills lane and conlon on the other hand estimate larger returns to ictliteracy skills and the impact of schooling on these skills is less marked than it is for literacy and numeracy