skill upgrading in the 1970s and 1980s versus the 1960s are those with greater growth in employee computer usage, more … computer capital per worker and larger investment as a share of total investment. The results suggest that the spread of … computer technology may `explain' as much as 30-50% of the increase in the rate of growth of the relative demand for more …

Computers are an important part of modern education, yet many schoolchildren lack access to a computer at home. We test … computers to students. Although computer ownership and use increased substantially, we find no effects on any educational …