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We analyze how trading in secondary markets for public debt change the inherent links between monetary and fiscal policy, by studying both inflation and debt dynamics. When agents do not trade in these markets, there exists a unique steady state and traditional passive/active policy prescriptions are useful in delivering determinate equilibria. In contrast, when agents trade in secondary markets and bonds are scarce, there exist a liquidity premium on public debt and bonds affect inflation dynamics and vice versa. Then, in a monetary equilibrium, the government budget constraint can be satisfied for different combinations of inflation and debt. Thus, self-fulfilling beliefs that deliver multiple steady states are possible. Moreover, traditional passive/active policy prescriptions are not always useful in delivering determinate equilibria. However, monetary and fiscal policies can be used as an equilibrium selection device. We find that, with a low inflation target, active monetary policies are more likely to deliver real and nominal determinacy and further amplify the effectiveness of these policies in reducing steady state inflation.

Should capital income be taxed for redistributional purposes? Judd (1985) suggests that it should not. He nds that the optimal capital tax is zero at steady state from the point of view of any agent. This paper reexamines this question in an innitely-lived worker-capitalist model, in which capitalists devote management time to build capital. Two forms of capital taxation are considered: one for which investment is not tax deductible (corporate tax) and a second one for which investment is fully and immediately tax deductible (dividend tax). Our main results are as follows. The optimal corporate tax is zero at steady state from the point of view of any agent. However, the optimal dividend tax is in general not zero at steady state and depends on preference parameters, lifetime wealth and the point of view (Pareto weights) of the benevolent policymaker. For Pareto weights that lead to Pareto-improving reforms, we nd that labor tax rates should be eliminated while dividend tax rates should be increased to around 36 per cent at steady state.

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