provide a novel decomposition of labor income tax formulas into a redistribution and an insurance component. The latter is … capital tax is non-zero and trades off redistribution and insurance against savings distortions. Our quantitative results … bound on optimal taxes: even for welfare functions that do not value redistribution, marginal tax rates are positive for all …

show that the progressive labor tax can partially substitute for the redistribution in social security, thus reducing the …

If redistribution is distortionary, and if the income of skilled workers is due to knowledgeintensive activities and … reduction reduces statis inefficiency. On the other hand, standard redistribution also reduces the level of R and D because it … that standard redistribution always dominates limitations to IPRs. …