Endogenous wage bargaining institutions in oligopolistic sectors

Summary. This paper explores the endogenous emergence of wage bargaining institutions in a union-oligopoly framework. Technological asymmetries among firms are shown to be the driving force for the emergence of alternative wage bargaining centralization structures that are observable in real life. As wage deals at the sector-level obtain the consensus of all unions and the efficient firms, a regulator has an incentive to authorize those deals by activating/establishing a Minimum Sectoral Wage Institution(MSWI). If productivity differences are high enough, wage setting above the established wage floor may subsequently occur in efficient firms. Otherwise, a completely centralized wage bargaining structure emerges and the sector-level wage deal is simply confirmed as the firms wage rate. If, however, productivity asymmetries are rather insignificant, firms and unions have conflicting interests and a completely decentralized wage bargaining regime prevails in equilibrium.Received: 17 December 2001, Revised: 9 June 2003, JEL Classification Numbers: J50, J31, L13.Correspondence to: Emmanuel PetrakisParticular appreciation is expressed to an anonymous referee who has greatly helped us to improve our work upon an earlier draft of this paper. We also wish to thank T. Kollinzas, J. Padilla, H. Bester, J. Sakovics, K. Uwe-Kühn, J. J. Dolado, J. L. Ferreira, A. Matsui and C. Martinelli for their helpful comments and suggestions.     

Inequality and the business cycle: evidence from U.S. survey data

ABSTRACT

We study the effects of macroeconomic shocks on measures of economic inequality obtained from U.S. survey data. To identify aggregate supply, aggregate demand, and monetary policy shocks, we estimate vector autoregressions and impose sign and zero restrictions on impulse response functions. We find that the effects of the macroeconomic shocks on inequality depend on the type of shock as well as on the measure of inequality considered. Contractionary monetary policy shocks increase expenditure and consumption inequality, whereas income and earnings inequality are less affected. Adverse aggregate supply and demand shocks increase income and earnings inequality, but reduce expenditure and consumption inequality. Our results suggest that different channels dominate in the transmission of the shocks. The earnings heterogeneity channel is consistent with the inequality dynamics after monetary policy shocks, but it appears to be less crucial when the economy is hit by either aggregate supply or aggregate demand shocks. Using variance decompositions, we find that although the macroeconomic shocks account for large shares of the variation in the macroeconomic variables, their contributions to the dynamics of the inequality measures are limited.     

Wage Flexibility and Unemployment: The Keynesian Perspective Revisited

Keynes' main concern in the General Theory is about the capacity of an economy to return to full employment equilibrium when subject to a (negative) demand shock. He maintains that money wages cuts may not help reabsorb unemployment, as they do not necessarily imply a fall in real wages. On the contrary, wage rigidity may be necessary for avoiding that a cumulative process propels the economy far away the full employment equilibrium. Co‐ordination failures in the investment‐saving market are behind this conclusion. However, the analysis is carried out within a static equilibrium framework. This paper is an attempt to focus on the problems of intertemporal co‐ordination arising within the context of a sequential economy. Our analysis of the out‐of‐equilibrium process of adjustment stirred by a shock allows to generalize the original Keynesian intuition. Unemployment emerges as the result of a lack of co‐ordination due to irreversibly constrained choices, and not only nominal but also real wage flexibility does not necessarily help to restore equilibrium. As a matter of fact, it may even be harmful, by triggering processes that make the economy diverge from equilibrium. Our analysis has important analytical implications as regards the role of market imperfections and the interpretation of the effects of monetary policy.     

中国通货膨胀是工资成本推动型吗?——基于超额工资增长率的实证研究

需求拉动型与成本推动型通货膨胀之争是2007年中国通货膨胀问题争论的焦点,通货膨胀类型的差异隐含着治理通货膨胀的不同政策选择。本文基于2000年之后超额工资增长与通货膨胀的关系进行检验,实证结果表明货币供给而非超额工资增长是导致通货膨胀变化的主要因素。基于分部门工资数据的研究结果亦未发现超额工资存在对通货膨胀的显著响应。基于上述结果本文认为,2000—2007年中国尚不存在"工资-通货膨胀"循环机制。     

中国收入差距的走势和影响因素分析

中国收入差距在过去20年中持续扩大,对经济的持续增长、社会公正与稳定都提出了挑战。本文通过计量模型检验库兹涅茨曲线在中国是否存在,证明收入差距还有继续上升的明显趋势,但其下降阶段不能确证。同时模型分析发现有一系列因素对收入差距的扩大或缩小有重要影响。这包括经济增长方面的因素、收入再分配和社会保障、公共产品和基础设施,以及制度方面的因素。这说明有可能通过合理的政策调整来控制收入差距的继续扩大。文章讨论了这些发现的政策含义。     

中国农村的收入差距与健康

随着收入差距的扩大,收入分配对健康和健康不平等的影响日益受到关注。本文利用中国健康营养调查(CHNS)1997年和2000年农村的面板数据回答两个问题:收入差距对健康的影响以及影响健康的方式;收入差距的扩大是否会导致健康不平等的加剧,尤其是低收入人群的健康是否受到更为不利的影响。研究发现,首先收入差距对健康的影响存在滞后效应;其次,收入差距对健康的影响呈现“倒U”型,在收入差距较高时,收入差距对健康的影响主要为负向的,一个可能的原因是收入差距影响到公共卫生设施的供给。再次,收入差距的扩大会加强收入效应,其含义是如果低收入人群的收入更容易受到负向冲击,那么收入差距对低收入人群的健康更为不利。     

制度变迁与经济增长的关系——基于非市场化视角的实证分析

我国市场化进程与欧美国家市场化进程比较中有着明显的不同地方,由此而得的市场化程度作为制度代理变量对经济增长的关系并没有可比之处,因而本文从非市场化角度分析了制度变迁与经济增长的关系。本文首先综述了学术界对于经济增长中制度所选择的代理变量,然后选择了腐败程度、不平等率和社会民间组织作为制度变量对我国1980—2005年的数据进行分析,得出我国现行的制度在促进经济增长的同时,也给经济长期增长带来了隐性阻力。     

The Impact of Racial Discrimination on the Early Career Outcomes of Young Men

The NLSY dataset is utilized to measure the extent of employer wage discrimination between white and black males during their first 5 years of post-school employment. We look at the respondent’s first job and the jobs 1 and 5 years after school completion. Oaxaca wage decompositions are employed to gauge the effect of discrimination. Consistent with our hypothesis, we find that the discrimination component of the wage gap falls over time. For the first job out of school the unexplained wage gap between blacks and whites is 35%. By year 5, the unexplained component falls to about 13%. Thus, while discrimination continues to play a role in explaining the white–black wage gap over time, its impact decreases as time in the labor market increases.

The veteran wage differential

There is debate in the literature as to whether military service is rewarded in the economy and the extent to which veterans receive either a wage premium or penalty. In this paper, we take a new approach to this question by conducting a wage decomposition of the veteran wage differential and decomposing the wage distribution of veterans and civilians instead of focusing only on the standard wage gap analysis at the averages. We find the veteran wage differential is driven by observable factors such as education, occupation, and industry, but also by location choice, a factor that has been previously overlooked in the literature. At the average, we find white men experience a veteran penalty whereas black men and women experience a veteran premium consistent with the bridging hypothesis. Additionally, we find that as we move along the wage distribution for all demographic groups, the veteran premium tends to become a veteran penalty, even after accounting for selection into military service. However, once we account for selection, we find that the premium for veteran black men disappears.     

Income inequality and credit expansion in post-communist countries

There is an on-going debate on the antecedents and consequences of income inequality. Recent studies find that income inequality was a cause of the recent financial crisis. However, the findings on the inequality–indebtedness relationship are mixed and based on analyses of developed countries. The aim of this research is to test how income inequality influences borrowing in post-communist countries, whose financial markets are not very developed, which has important implications for income inequality. Therefore, we include financial system development in the analysis. We base our analysis on state-level panel data and find that income inequality will increase indebtedness in the private sector. However, these results are model and region specific. To preclude higher income inequality and the emergence of a financial crisis, policies should be directed towards improving the role of financial intermediaries and stock markets.