Tax policies, vintage capital, and exit and entry of plants
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Following Chamley, Lucas, Laitner, and Aiyagari, this dissertation continues to explore the answer for the question of zero capital taxation by discussing how taxes on capital income, labor income, and property affect the economy in the context of a vintage capital model where the embodied technology grows exogenously. The government maximizes social welfare by finding the optimal combinations of the three tax rates in the steady state and examines the welfare gain/loss over and after the transitions caused by different types of shocks. The simulation method used here is linear approximation. My results show that in the steady-state economy, given a fixed level of gov- ernment expenditure and a zero property tax rate, the capital-income tax rate that maximizes steady-state utility may be negative, zero, or positive depending on the level of government expenditure. I also find that, for many values of government spending, the highest level of steady-state utility occurs with a subsidy to capital income and a tax on labor income. Finally, I find that when taxes on capital income, labor income, and property are available, capital-income taxes are generally the last resort to finance government expenditures. My results show that in the transitional economy, when tax rates are perma- nently changed and the government expenditure is near zero, the loss of utility over the transition from no taxes to capital subsidies is too large so the idea itself is not utility-enhancing. Secondly, I find that when the government expenditure is low and a positive technology shock occurs, social welfare in the economy without capital-income taxes may perform better in the early phase of the transition but worse in the later phase of the transition than that in the economy without property taxes. How- ever, the situation becomes the opposite as government expenditures increase. In addition, when one tax is allowed to change, a changing labor-income tax may bring more utility over the transition than the other two taxes. Finally, when the govern- ment expenditure is unexpectedly reduced, I find that using property taxes rather than capital-income taxes stimulates consumption and employment more given a higher initial level of government expenditure.
Chang, Shao-Jung (2005). Tax policies, vintage capital, and exit and entry of plants. Doctoral dissertation, Texas A&M University. Texas A&M University. Available electronically from