Strategic Complementarities Between Different Types of ICT-expenditures
نویسندگان
چکیده
Multivariate Tobit models estimated using German cross–sectional data are applied to test if strategic complementarities exist between expenditures in four different types of ICT–components. If two ICT–components are complements, they are correlated (provided that agents act rationally). My results are that significant correlations between all four types of ICT–expenditures indeed exist that can neither be removed by ‘standard’ firm heterogeneity control variables such as firm size nor by firms’ workforce qualification structure or by firms’ ICT–structure so that indication for the presence of complementarities is provided. JEL classification: C34, M11
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