Abstract :
[en] This paper uses a new microdata set of business-to-business firm-level transactions
in Belgium to construct a measure of information and communication technology (ICT)
investment at the firm level, which we combine with the income statement of firms to
analyze the impact of ICT on productivity. We find that a firm investing an additional
euro in ICT increases value added by 1 euro and 35 cents on average. This marginal
product of ICT investment increases with firm size and varies across sectors. Although
we find substantial returns of ICT at the firm level, such returns are much lower at the
aggregate level. This is due to underinvestment in ICT (ICT capital deepening is low) and
misallocation of ICT investments.
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