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Innovation, Income Inequalities and Public Policies

20 settembre 2023
2:00 pm
San Francesco Complex - classroom 1

Innovation fosters economic growth and the performance of national systems. At the same time, though, recent literature shows that innovation is also a source of increasing income inequalities. Public policies face thus an important trade-off between efficiency and equity effects of innovation. What are the possible policy strategies to address this trade-off? The paper presents a model of innovation, income inequality and public policies. The model points out two distinct sources of inequalities: on the one hand, technological change affects the income share of different economic groups (capitalists, employed workers, unemployed); on the other, innovation does also foster wage inequalities among workers with different skills. We empirically calibrate the model for the US economy, and carry out a simulation analysis to investigate and compare the effects of different policies aimed at reducing inequality effects of innovation (labor and profit taxes; R&D tax; technology regulation; transfers and training policies for unemployed workers). The results point out advantages and drawbacks of different policies, and show that the optimal policy strategy largely depends on the policy maker’s preferences regarding income distribution and hence its degree of inequality aversion.


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Fulvio Castellacci, University of Oslo