This thesis investigates income inequality and poverty in urban China using survey data from 2002. It shows that in urban China, income in the coastal region is less equally distributed than in the interior region, although social welfare is higher. Developed cities have more inequality than less developed cities, but they also have a higher level of social welfare. Further decomposition analysis indicates that intragroup inequality accounts for the dominant part of overall inequality no matter how groups are categorized - by region, by city level, by gender, or by education. There is a significant difference in the incidence of poverty between interior regions and coastal regions, with the interior region having a higher headcount ratio and a greater poverty gap ratio. It is also found that developed cities have lower poverty than less developed cities.

Thesis (Ph. D.)--University of Texas at Austin, 2004. / Vita. Includes bibliographical references.

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This dissertation consists of three essays in Macroeconomics. The first essay assesses the impact of offshoring on aggregate productivity and on labour market outcomes by developing a dynamic general equilibrium model in which workers acquire task-specific human capital. The dynamic nature of the model allows for differentiation between short and long run effects. While the welfare effects are unambiguously positive and independent of the skill-content of the offshored and inshored tasks, the distribution of the gains from trade critically depends on the time horizon. Workers with human capital specific to the inshored tasks gain over those performing offshored tasks in the short term. In the long run, the gains from trade are equally distributed among ex-ante identical agents. The model is calibrated to the U.S. economy; welfare gains from increased offshoring are found to be substantial even after taking into account losses in specific human capital for workers in the offshored occupations along the transition path. The second essay integrates the insight that exporting firms are typically more productive and employ higher skilled workers into a directed search model of the labour market. The model generates a skill premium as well as residual wage inequality among identical workers. Trade liberalization will cause a reallocation of workers both within and across industries, which will affect both types of inequality in a way that is consistent with findings from the empirical literature on trade and inequality. A calibrated version of the model can account for much of the effect of the Canada-U.S. Free Trade Agreement on the Canadian labour market. The final essay incorporates a distortionary tax into the microfoundations of money framework and revisits the optimum quantity of money. An optimal policy may consist of both a positive tax rate and a positive nominal interest rate: if the buyer's surplus share is inefficiently small, the intensive margin is distorted and the constrained optimal policy combines a sales tax with a money growth rate above that prescribed by the Friedman rule. Monetary, but not fiscal, policy alters the agent's bargaining position, leaving a special role for a deviation from the Friedman rule.

This thesis examines the income-shifting behaviour of multinational corporations when they are facing international corporate income tax rate differentials. Multinational corporations may apply tax-planning strategies in order to shift their pre-tax profits from a high-tax country to a low-tax country; therefore, the same amount of money would be subject to a lower tax rate. By doing so, multinational corporations minimize their global tax liabilities without changing their total income. The first essay develops a simple general equilibrium model by which to explore the effect of tax planning on the host country in terms of social welfare and optimal taxation. We endogenize multinational corporations’ investment decisions by allowing the user cost of capital to be affected by shifting decisions. We find that if tax rates are not excessively high, then an increase in tax planning activity causes a rise in optimal corporate tax rates, and a decline in multinational investment. Thus, fears of a “race to the bottom” in corporate tax rates may be misplaced. Also, we find that the residents in high-tax countries may be better off with (some) income shifting. We prove that there is an interior optimal thin capitalization rule (a restriction on the debt-to-equity ratio) that is lower than the degree of tax planning preferred by multinational firms. The second essay empirically examines the evidence of income-shifting behaviour of Canadian multinational corporations. The results are consistent with the income-shifting hypothesis that multinationals are inclined to shift their pre-tax profits to low-tax jurisdictions. I find that having non-arm’s length transactions with related parties in tax-haven countries has a significant negative impact on the taxable income that is reported in Canada. Further, I compare the different roles between small havens and large havens and find that the effect of having transactions with small havens is significantly negative, while the effect of having transactions with large tax havens is not significant. Also, I find that if Canadian corporations control their foreign-related corporations with whom they had non-arm’s length transactions, then they are more likely to report lower taxable incomes in Canada than are those that have other types of relationships with their foreign-related corporations.

This dissertation consists of three essays in Macroeconomics. The first essay assesses the impact of offshoring on aggregate productivity and on labour market outcomes by developing a dynamic general equilibrium model in which workers acquire task-specific human capital. The dynamic nature of the model allows for differentiation between short and long run effects. While the welfare effects are unambiguously positive and independent of the skill-content of the offshored and inshored tasks, the distribution of the gains from trade critically depends on the time horizon. Workers with human capital specific to the inshored tasks gain over those performing offshored tasks in the short term. In the long run, the gains from trade are equally distributed among ex-ante identical agents. The model is calibrated to the U.S. economy; welfare gains from increased offshoring are found to be substantial even after taking into account losses in specific human capital for workers in the offshored occupations along the transition path. The second essay integrates the insight that exporting firms are typically more productive and employ higher skilled workers into a directed search model of the labour market. The model generates a skill premium as well as residual wage inequality among identical workers. Trade liberalization will cause a reallocation of workers both within and across industries, which will affect both types of inequality in a way that is consistent with findings from the empirical literature on trade and inequality. A calibrated version of the model can account for much of the effect of the Canada-U.S. Free Trade Agreement on the Canadian labour market. The final essay incorporates a distortionary tax into the microfoundations of money framework and revisits the optimum quantity of money. An optimal policy may consist of both a positive tax rate and a positive nominal interest rate: if the buyer's surplus share is inefficiently small, the intensive margin is distorted and the constrained optimal policy combines a sales tax with a money growth rate above that prescribed by the Friedman rule. Monetary, but not fiscal, policy alters the agent's bargaining position, leaving a special role for a deviation from the Friedman rule.

This thesis examines the income-shifting behaviour of multinational corporations when they are facing international corporate income tax rate differentials. Multinational corporations may apply tax-planning strategies in order to shift their pre-tax profits from a high-tax country to a low-tax country; therefore, the same amount of money would be subject to a lower tax rate. By doing so, multinational corporations minimize their global tax liabilities without changing their total income. The first essay develops a simple general equilibrium model by which to explore the effect of tax planning on the host country in terms of social welfare and optimal taxation. We endogenize multinational corporations’ investment decisions by allowing the user cost of capital to be affected by shifting decisions. We find that if tax rates are not excessively high, then an increase in tax planning activity causes a rise in optimal corporate tax rates, and a decline in multinational investment. Thus, fears of a “race to the bottom” in corporate tax rates may be misplaced. Also, we find that the residents in high-tax countries may be better off with (some) income shifting. We prove that there is an interior optimal thin capitalization rule (a restriction on the debt-to-equity ratio) that is lower than the degree of tax planning preferred by multinational firms. The second essay empirically examines the evidence of income-shifting behaviour of Canadian multinational corporations. The results are consistent with the income-shifting hypothesis that multinationals are inclined to shift their pre-tax profits to low-tax jurisdictions. I find that having non-arm’s length transactions with related parties in tax-haven countries has a significant negative impact on the taxable income that is reported in Canada. Further, I compare the different roles between small havens and large havens and find that the effect of having transactions with small havens is significantly negative, while the effect of having transactions with large tax havens is not significant. Also, I find that if Canadian corporations control their foreign-related corporations with whom they had non-arm’s length transactions, then they are more likely to report lower taxable incomes in Canada than are those that have other types of relationships with their foreign-related corporations.

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