Rural–urban human capital disparity and skilled–unskilled wage inequality in China

This paper builds three‐sector general equilibrium models to investigate how a shrink of rural–urban human capital disparity generates an impact on skilled–unskilled wage inequality in China. In the basic model where the urban skilled sector and the urban unskilled sector have no upstream and downstream linkage, we find that the wage inequality will be narrowed down if the urban skilled sector is more capital intensive than the urban unskilled sector. To capture the characteristic of China's state capitalism, we build an extended model where the urban skilled sector acts as an upstream industry for the urban unskilled sector, and find that the wage inequality will be reduced if the substitution elasticity of unskilled labor and intermediate product in the urban unskilled sector is large enough. When we consider the factual characteristics of the Chinese economy, our models predict that a shrink of rural–urban human capital disparity will be helpful to reduce the skilled–unskilled wage inequality in China.     

Urban bias and wage inequality

This paper explores how urban bias affects skilled–unskilled wage inequality through building several general equilibrium models. In the basic model, we find that an increase in the degree of urban bias will widen wage inequality if the unskilled sector is more capital intensive than the skilled sector and reduce wage inequality if the skilled sector is more capital intensive than the unskilled sector. In the extended models, we find that the conclusion obtained in the basic model almost still holds under different conditions.     

The Impact of Immigration on the Wage Differential in Australia

This paper investigates the impact of immigration on the wage differential between skilled and unskilled labour using simulation analysis from a dynamic intertemporal general equilibrium model. The results show that immigration cannot explain variations of the wage differential in Australia during the past 10 years. In most of the years investigated, immigration only explains a small part of the change in the wage differential. There is also no evidence that immigration exerts significant downward pressure on the unskilled wage.     

Anti‐immigration policy in the destination country and skilled–unskilled wage inequality in a source economy with or without unemployment

This paper is aimed at theoretically examining the consequence of the anti‐immigration policy adopted in the destination country on the skilled–unskilled wage inequality in a source nation using a couple of two‐sector, specific‐factor general equilibrium models in both the presence and absence of unemployment. Emigration requires incurring some capital cost for professional skill formation on the part of every prospective emigrant that adds to the opportunity cost of emigration. The authority of the destination country determines the number of visas to be granted and hence directly controls the magnitude of skilled emigration from the source country. In the migration equilibrium, the expected skilled wage income abroad is equal to the opportunity cost of emigration. In both the presence and absence of unemployment of unskilled labor, the outcome of the policy on the wage inequality crucially hinges on both the magnitude of the fixed cost of emigration and the technological factors. In the specific‐factor Harris–Todaro model, the degree of imperfection in the unskilled labor market is an additional factor. Finally, some policy recommendations have been made for protecting the interest of the poor unskilled workforce.     

Unemployment,Wage Inequality and International Factor Movement in the Presence of Agricultural Dualism

This paper investigates how the international factor movements affect the unemployment and skilled–unskilled wage inequality with the existence of a modern agricultural sector. Our research has the new feature that we not only consider that the rural labor migrates to the urban sector but also to the modern agricultural sector. The main conclusions are that the unskilled labor outflow certainly decreases the wage inequality and unemployment rate and the influences that skilled labor movement and capital inflow have on wage inequality and unemployment rate are dependent on the factor intensity between the urban and modern agricultural sectors.     

Organized crime and wage inequality

This paper stresses the role of industrial organization of crime, and explores how organized crime affects wage inequality. We find that, when only unskilled workers (or both skilled and unskilled workers) engage in organized crime, an increase in the number of criminal groups will increase wage inequality if (1) the skilled sector is more capital intensive than the unskilled sector, and (2) the price elasticity of demand for the skilled product is large enough. However, when there are only skilled workers engaging in organized crime, condition (1) is sufficient to widen wage inequality, irrespective of the price elasticity.     

The combination of two tragedies: commons and anticommons tragedies

This paper studies the relationship between social conflict and skilled–unskilled wage inequality through the three-sector general equilibrium approach. In the basic model without the urban unskilled minimum wage, we find that when the government enhances the degree of controlling social conflict, the skilled–unskilled wage inequality will be narrowed down (resp. widened) if the urban skilled sector is more capital intensive (resp. labor intensive) than the urban unskilled sector. The extended models address the issue under different economic structures or different types of social conflict. In the extended model with the urban unskilled minimum wage, we find that the skilled–unskilled inequality will be widened when the degree of controlling social conflict is increased. In other extended models, we find that the above obtained results are still robust.     

Skilled–unskilled wage inequality: A general equilibrium analysis

The paper develops a static three sector competitive general equilibrium model of a small open economy in which skilled labour is mobile between a traded good sector and a non-traded good sector and unskilled labour is specific to another traded good sector. The capital is perfectly mobile among all these three sectors. We examine the effects of change in different factor endowments and of globalization on skilled–unskilled wage inequality. We find that the effect of a change of a factor endowment on wage inequality depends on the factor intensity ranking between two skilled labours using sectors and on the relative strength of the marginal effects on demand for and supply of non-tradable good. We also find that a decrease in the price of the product produced by skilled (unskilled) labour using traded good sector lowers (raises) the skilled–unskilled wage inequality.     

International factor mobility,environmental pollution and skilled–unskilled wage inequality in developing countries

This paper establishes a static three-sector general equilibrium model by accommodating environmental pollution to investigate the impact exerted by skilled immigrants and foreign direct investment on the skilled–unskilled wage inequality. Environment is treated as an input for agricultural production. The production process of the urban low-skill sector generates environmental pollution, which deteriorates the rural environment and thereby influences agricultural production. The present paper highlights the role of environmental pollution in the determination of the skilled–unskilled wage inequality due to skilled immigrants and foreign direct investment.     

Factor‐biased public infrastructure and wage inequality

This paper analyzes how factor‐biased public infrastructure affects the skilled–unskilled wage inequality. In the basic model with a full employment economy, we find that when the weighted dependence of skilled labor and capital in the urban skilled sector on public infrastructure is large enough relatively to that of unskilled labor and capital in the urban unskilled sector, the wage inequality will be expanded. We also discuss labor‐biased and capital‐biased public infrastructure in our framework, and find that the relative dependences of relevant labor or capital on public infrastructure are important determinants of wage inequality. In the extended models, we analyze separately the issue of wage inequality in the economy with unemployment and the totally open capital market, and find the results of the basic model almost still hold.     

Brain drain,illegal migration and capital exports from less developed economies: a neoclassical approach

This model shows that LDC's brain drain triggers emigration of unskilled labor and capital exports, skilled workers and agricultural capitalists gain, unskilled workers and industrial capitalists lose, and demodernization of the economy results. Demodernization of the economy occurs when labor force and output of the industrial sector decrease, and employment and production in agriculture increase. The problem analyzed in this model is what happens to the incomes of those who are left behind when some of the skilled workers migrate abroad. The results show that with the exodus of both skilled labor and capital, the marginal productivity of unskilled workers in industry also falls below the unskilled wage. Although one would expect a brain drain to result in gains for those skilled workers who remain in the source country, and for the capital owners who receive unskilled workers as a result of emigration, the losers are the unskilled workers and the capitalists in the sector where the migrants worked.     

Skilled–unskilled wage inequality,product variety,public input and increasing returns: A static general equilibrium analysis

The paper develops a four sector small open economy model with two traded final good sectors, a public intermediate good producing sector and a nontraded good sector producing varieties of intermediate goods. There are three primary factors: capital, skilled labour and unskilled labour. Industrial sector producing a traded good uses capital, intermediate goods and skilled labour as inputs. Intermediate goods producing sector also uses capital and skilled labour. Public input producing sector and the agricultural sector producing the other traded good use capital and unskilled labour as inputs. It is shown that, if production technologies are the same for the agricultural sector and the public input producing sector and if the scale elasticity of output is very low, then an increase in capital stock (unskilled labour endowment) raises (lowers) the skilled–unskilled wage ratio. However, an increase in skilled labour endowment does not produce any unambiguous effect. On the other hand, an increase in the tax rate on industrial output and/or an increase in the price of the agricultural product, armed with the same set of assumptions, lowers the skilled–unskilled wage ratio.     

Foreign capital inflow,skilled–unskilled wage inequality and unemployment of unskilled labour in a fair wage model

This paper has developed a three-sector general equilibrium framework that explains unemployment of both skilled and unskilled labour. Unemployment of unskilled labour is of the Harris–Todaro (1970) type while unemployment of skilled labour is caused due to the validity of the FWH in the high-skill sector. There are two types of capital one of which is specific to the primary export sector while the other moves freely among the different sectors. Inflows of foreign capital of either type unambiguously improve the economic conditions of the unskilled working class. However, the effects on the skilled–unskilled wage inequality and the extent of unemployment of both types of labour crucially hinge on the properties implied by the efficiency function of the skilled workers.     

Skilled–unskilled wage inequality,nontraded good and endogenous supply of skilled labour: A theoretical analysis

The paper develops a static four sector competitive general equilibrium model of a small open economy in which skilled labour is endogenously produced by the education sector and is mobile between a traded good sector and a nontraded good sector. Capital is also perfectly mobile among the education sector, skilled labour using traded good sector and the nontraded good sector. However, land and unskilled labour are specific to another traded good sector. We analyse the effects of change in different factor endowments and reduction in tariff rate on skilled–unskilled wage inequality. We find that the effect of a change in different parameters on wage inequality depends on the factor intensity ranking between two skilled labour using sectors and on the relative strength of the marginal effects on demand for and supply of nontraded final good. We also analyse the effects of changes in different parameters on the supply of skilled labour.     

Skilled–unskilled wage inequality and offshore outsourcing with asymmetric adjustment costs

We present a model that can capture the effects of offshore outsourcing on the wedge between the wages of skilled and unskilled workers when costs of adjustment are asymmetric. We identify conditions under which offshore outsourcing activities widen the skilled–unskilled wage inequality in the presence of asymmetric adjustment costs. We show how a higher cost of adjustment in the import-competing sector can magnify the offshore outsourcing induced gap between the wages of the skilled and unskilled workers. We also demonstrate the sensitivity of the effects of offshore outsourcing, on the skilled–unskilled wage gap, to asymmetries in the costs of adjustment.     

Low level equilibrium trap,unemployment, efficiency of education system,child labour and human capital formation

This paper builds an overlapping generations household economy model to examine the impact of adult unemployment on the human capital formation of a child and on child labour, as viewed through the lens of the adult’s expectations of future employability. The model indicates that the higher the adult unemployment rate in the skilled sector, the lesser is the time allocated by an unskilled adult towards schooling of her child. We also find that an increase in the unskilled adult’s wage may or may not decrease child labour in the presence of unemployment. The model predicts that an increase in child wage increases schooling and human capital growth rate only if the adults in the unskilled sector earn less than subsistence consumption expenditure. As the responsiveness of skilled wage to human capital increases, schooling and human capital growth rates increase. The model dynamics bring out the importance of education efficiency and parental human capital in human capital formation of the child. In the case of an inefficient education system, generations will be trapped into low level equilibrium. Only in the presence of an efficient education system, steady growth of human capital is possible. Suitable policies that may be framed to escape the child labour trap are discussed as well.     

Trade liberalization,firm entry,and income inequality

This paper examines the short‐ and long‐run effects of trade liberalization via tariff reductions on income inequality in an economy, which is characterized by an imperfectly competitive urban manufacturing sector and a perfectly competitive rural agricultural sector. Tariff reductions reduce domestic output in the importable urban manufacturing sector, leading to shifts of capital from the urban sector to the rural agricultural sector. This can narrow the wage gap between skilled and unskilled labor in the short run. However, the lowered capital cost attracts new firms, and subsequently excessive entry of firms, to the urban manufacturing sector. This firm entry effect can mitigate the favorable effect of tariff reductions on wage inequality in the long run. Empirical study confirms the findings.     

The impacts of education investment on skilled–unskilled wage inequality and economic development in developing countries

Four-sector general equilibrium models are established to investigate the impacts of increased governmental investment in education capital on skilled–unskilled wage inequality and economic development. The basic model, which assumes perfect competition in the producer services sector, shows that increased education capital investment from the government will unambiguously reduce skilled–unskilled wage inequality and conditionally promote economic development. Then the robustness of the basic model is substantiated by the extended model that incorporates the monopolistically competitive feature of the producer services sector.     

A Schumpeterian North–South Growth Model of Trade and Wage Inequality*

The paper presents a dynamic general‐equilibrium model of interindustry North–South trade that is used to analyze the effects of trade liberalization on the Northern wage distribution. Both countries have a low‐tech sector where consumer goods of constant quality are produced by use of unskilled labor. The North also has a high‐tech sector that employs skilled labor and features a quality‐ladder model structure with endogenous growth. Both innovation and skill acquisition rates are endogenously determined. In a balanced trade equilibrium, it is found that Southern‐originated (Northern‐originated) trade liberalization leads to an increase (decrease) in Northern wage inequality both between skilled and unskilled workers and within the group of skilled workers. The endogenous change in the Southern terms of trade determines the direction of change in unskilled wages in both the North and the South.     

Corporate profit tax,firm entry with unemployment,and income inequality

In this paper, we provide a general equilibrium analysis of corporate profit tax on income distribution, unemployment, and wage inequality. With firm dynamics in industrial sector, we identify a new channel through which profit tax affects income and wage inequality: profit tax cut will widen not only the wage gap between skilled and unskilled labor, but also exacerbate the wage inequality of unskilled labor among different sectors. The welfare effect of profit tax cut depends on unemployment deepening (labor-distortion effect) and more manufacturing firms enter the market (business-creation effect), eroding the market share of incumbent firms (business-stealing effect).