In a Barro-type economy with exogenous consumption aspirations, raising income taxes favors growth even in the presence of lump-sum taxes. Such a policy is compatible with the behavior of private consumption, income taxes and growth rates observed in actual economies.

Some concepts associated with the notion of public consumption could be considered as wasteful public expenditures, so that a firstbest analysis would set their level equal to zero every period. However, their ratio to output is significant and rather stable over time in actual economies. In an...