A Quantile Regression Analysis of Wages in Panama

Differences in the effects of worker characteristics on wages in Panama at different points of the conditional wage distribution are investigated. Public sector employment increases wages relatively more at lower quantiles. Within the public sector, employment in that sector increases wages of the median worker and reduces wage inequality. Presence of a labor union increases relatively more private sector wages at lower quantiles. Unions reduce wage inequality within the union private sector and increase average wages within that sector. In the public sector, the presence of a labor union increases wages of men at lower quantiles at a lower rate than in the private sector. Self-employment decreases wages at lower quantiles and increases wages at higher quantiles. Urban location affects wages in a U-shaped pattern as one moves from lower to higher quantiles. Rates of return to experience are higher for men at higher quantiles. Experience increases men's wage inequality.     

A contribution to the public–private wage inequality debate

This paper studies the public–private wage inequality in Romania. Although public sector employment is perceived as safer and offering more benefits, we find that in Romania it also offers higher wages, after controlling for experience, education and gender. This result is at odds with the negative premium uncovered in other transition economies. The public–private wage premium is increasing across the wage distribution, leading to more inequality in the public sector. Decomposing the wage premium into the effect of personal characteristics, coefficients and residuals, we show that only about half of this premium can be attributed to personal characteristics, especially in the top half of the wage distribution. We also find that the number of other public sector employees in the family is a significant driver of public sector employment, facilitating access to jobs. However, the effects of self‐selection are negligible, the premium being still positive and significant after controlling for this.     

Public or Private Sector Wage Leadership? An International Perspective*

Whether a government acts as a wage leader, placing pressure on private‐sector wages (more open to competition), or whether it plays a passive role and merely follows wage negotiations in the private sector, there are important implications for macroeconomic development, particularly in small open economies and/or countries that are members of a monetary union, such as those of the European Monetary Union. With the notable exception of the case of Sweden, opinion on this issue is still divided. In this paper, we look at public‐ and private‐sector wage interactions from an international perspective (18 OECD countries). We focus on the causal two‐way relationship between public and private wage setting, confirming that the private sector, on the whole, appears to have a stronger influence on the public sector, rather than vice versa. However, we also find evidence of feedback effects from public wage setting, which affect private‐sector wages in a number of countries. When the private sector takes the lead on wages, there are few feedback effects from the public sector, while public wage leadership is typically accompanied by private‐sector feedback effects.     

The dynamics of wage determination in Romania

This article examines wage developments in Romania over the last 20 years, discusses the evolving role of government wage policy and structural labour market changes, and analyses the dynamics of the wage determination process. It finds that government wage policy has had a significant demonstration effect on private sector wages, driven mainly by policy decisions over the past few years. The article also finds strong causality from private sector wages to wages in state‐owned enterprises (SOEs) and government. No causality was found for changes in government wages to wages in SOEs or from SOE wages to private sector wages.     

Labour market effects of public capital stock: evidence for the Spanish private sector

This paper provides a new rationale for the positive effect of public capital stock on employment and wages. We show that higher levels of public capital reduce wages along the wage equation and enhance employment due to the resulting larger elasticity of labour demand with respect to wages. The estimation of a structural model for the Spanish private sector reveals that this wage channel is empirically relevant. We use the estimated parameters to simulate the recent incidence of the ratio of public to private capital stock on the private sector economic performance. We find (i) sizeable effects on employment, capital stock and gross domestic product, and (ii) that the wage channel is particularly important for employment.     

Public Sector Employment,Wage Inequality and the Gender Pay Ratio in the UK

This paper assesses the relative contributions of the different systems of pay determination in the private sector and the public sector toward the changing level of wage inequality and the gender pay ratio in the UK. The greater centralisation of pay arrangements in the public sector compared with the private sector in the UK suggests that public sector employment may have acted to offset the widening wage inequality seen in recent years, as well as making an important contribution to the increase in women's relative average earnings compared to men. This issue is addressed by drawing on unpublished occupational hourly earnings data from the New Earnings Survey and applying decomposition of the Theil index of wage inequality to analyse both static and dynamic trends. The change in wage inequality for the period 1986 to 1995 primarily reflected the change in wage dispersion within the private sector, and the narrowing of the gender pay gap among the public sector workforce was an important factor in explaining the overall improvement in women's relative earnings. The paper argues that the relatively centralised pay arrangements in the public sector, compared with the private sector, played an important role in slowing the increase in wage inequality and narrowing the gender pay gap. As such, future policies to decentralise pay determination in the UK public sector may exacerbate the increasing level of wage inequality and reverse women's recent relative pay improvements.     

Increasing urban wage inequality in China

Two strictly comparable cross‐section household datasets, relating to 1988 and 1995, are used to analyse the increase in wage inequality from an initially low level in urban China over this period of labour market reform. The institutional background and the evolution of policy are described. The rapid growth of wage inequality and the sharp widening of wage structure are quantified. Earnings functions are compared, and the increase in both the level and the inequality of wages are decomposed into their constituent elements. Quantile regression analysis is conducted to throw light on the relationships between the observed and the unobserved determinants of wages. Distinctions are made between the variables likely to represent human capital, discrimination, and segmentation. The evidence suggests that productive characteristics were increasingly rewarded as marketization occurred, but that discrimination and segmentation also grew. The move towards a fully‐fledged labour market was by no means complete.     

Male–female wage discrimination in Chinese industryInvestigation using firm‐level data1

We use firm‐level data to analyze male–female wage discrimination in China's industry. We find that there is a significant negative association between wages and the share of female workers in a firm's labour force. However, we also find that the marginal productivity of female workers is significantly lower than that of male workers. Comparing wage gaps and productivity gaps between men and women, we notice an intriguing contrast between state‐owned enterprises (SOEs) and private firms. The wage gap is smaller than the productivity gap in SOEs, while the converse is true for private firms. These results suggest that women in the state sector receive wage premiums, whereas women in the private sector face wage discrimination.     

The supply of qualified nurses: a classical model of labour supply

The need to ensure adequate numbers of nurses is a key requirement of the current modernization of the UK NHS. However, it is unclear how effective wages are as an instrument to maintain or increase the nursing workforce, both in terms of absolute numbers and in the number of whole time equivalents. This study sets out to estimate a classical model of labour supply for British qualified married or cohabiting nurses and midwives, looking at both the participation decision and the hours of work supplied. Data are from the Quarterly Labour Force Survey over the years 1999–2000. Participation and hours of work are found to be inelastic with respect to own wage. These results suggest that increasing the wage would only have a moderate effect on labour supply. Interestingly, there is no significant statistical difference between having a child of nursery age (3–4) and having a child of school age (5–15) on participation and hours supplied. This suggests that recent policy initiatives to increase female labour force participation, through the provision of free nursery places, has been successful. Preliminary analysis of a split private and public sector sample suggests that hours supplied are completely inelastic with respect to wages in the public sector.     

New evidence on public sector wage differentials

This paper examines the nature of wage differentials for men and women in the public sector, using a sample selection approach. This includes the self-selection that occurs in the sectoral choice process as well as the selection that arises in context of the labour force participation decision of men and women. Using 1991 Current population Survey data, it is found that male workers in the public sector on an average earn higher wages than male private sector workers, whereas the wage premium earned by women is undermined by a slightly greater degree of discrimination in the public sector     

Employment and Capital Accumulation in Unionised Labour Markets: Evidence from five south-European countries

This paper analyses the link between employment and capital accumulation in unionised labour markets by using a dynamic monopoly union model. The role of wage setting is also explored within the above context. The empirical analysis is based on annual data from the manufacturing sector of five European countries (France, Greece, Italy, Portugal and Spain). It verifies that capital accumulation has a positive influence on employment. Concerning wages, there is evidence that, in most countries, income opportunities in the public sector play an important role in wage determination. A larger public sector crowds out private investment and employment by serving as a safety net that allows wage setters to push for higher wage demands.     

Wage spillovers across sectors in Eastern Europe

This paper studies the interactions between wages in the public sector and the private traded and non-traded sector in ten transition countries which are members of the European Union, during the period 2000–2011. The theoretical literature on wage spillovers, as well as the Balassa–Samuelson hypothesis, suggests that the internationally traded sector should be the leader in wage setting, with sheltered and public sector wages adjusting. Using a cointegrated VAR approach we show that a large heterogeneity across countries is present, and non-traded and public sector wages are often leaders in wage determination or at least affect traded sector wages in the short run. This result is relevant from a policy perspective since wage spillovers, leading to costs growing faster than productivity, may affect the international cost competitiveness of the traded sector and thus the catching-up process may be accompanied by accumulation of large international imbalances.     

Evolution of the Public–Private Sector Wage Differential during Transition in Estonia

This article estimates the public–private sector wage differential in Estonia over the transition period. Quantile regression is used with a dataset from Estonian Labour Force Surveys from 1989 to 2004 for this purpose. The results of the analysis indicate that the public–private sector wage differential was negative during early transition but has decreased subsequently. It also shows that employees with low potential wages tend to gain more or lose less from working in the public sector than workers with high potential wages. The public–private sector wage differential is negatively related to the number of public employees and tends to be counter-cyclical. Political cycles have no effect on the public–private sector wage differential in Estonia.     

Unions and wage inequality: The roles of gender,skill and public sector employment

We examine the changing relationship between unionization and wage inequality in Canada and the United States. Our study is motivated by profound recent changes in the composition of the unionized workforce. Historically, union jobs were concentrated among low-skilled men in private sector industries. With the steady decline in private sector unionization and rising influence in the public sector, half of unionized workers are now in the public sector. Accompanying these changes was a remarkable rise in the share of women among unionized workers. Currently, approximately half of unionized employees in North America are women. While early studies of unions and inequality focused on males, recent studies find that unions reduce wage inequality among men but not among women. In both countries, we find striking differences between the private and public sectors in the effects of unionization on wage inequality. At present, unions reduce economy-wide wage inequality by less than 10%. However, union impacts on wage inequality are much larger in the public sector. Once we disaggregate by sector, the effects of unions on male and female wage inequality no longer differ. The key differences in union impacts are between the public and private sectors—not between males and females.     

Wage Differentials between the State and Private Sectors in Moscow

In this study the 1997 Russian Labor Force Survey is used to investigate wage differentials between the state and the private sector in the city of Moscow. Our analysis demonstrates that substantial differences exist between private and state sector wages. We estimate the gap between private and state sector wages to be 14.3 percent for men and 18.3 percent for women. We also find gender differences in wages. Men in the private sector earn on average 23.7 percent more than women. The gender wage gap in the state sector is even higher at 32.5 percent. In the state sector, wages for both men and women increase as years of tenure increase. But in the private sector this is only true for men; women earn no return to tenure. The probability of employment in the private sector decreases with age and tenure.     

Minimum Wage: Does it Improve Welfare in Thailand?

We study the causal impact of the minimum wage on labor market outcomes, household consumption, inequality and poverty in Thailand by relying on policy variation in minimum wages over time across provinces. We find that minimum‐wage increases have a large and significant impact on the likelihood of working in the uncovered sector among workers with elementary education. However, the impact is very small and insignificant among other labor market groups. In contrast, the minimum wage has large positive effects on the formal sector wages of low‐earning workers, such as the young, elderly and low educated. Increases in the minimum wage are associated with reductions in household poverty and consumption inequality at the bottom half of the distribution.     

Public Consumption and Unemployment

This paper introduces public consumption—hence the size of the public sector—into an efficiency wage model of the labour market. The effect of a simultaneous rise in taxes and public consumption on unemployment is derived. There arises an unambiguous positive relationship between the size of the public sector and equilibrium unemployment if public and private consumption are substitutes and wages are taxed. The impact of taxes on consumption on unemployment, although in general not equal to zero, is ambiguous.     

The Link Between Wages and Productivity in Spain

This paper examines the effect of productivity on wages for Spanish industrial sectors by developing a model that captures effects from both sector‐specific and aggregate variables. The results show that a dual behaviour can be inferred, at the sector level, in the wage‐setting mechanism. It is also found that the linkage between wages and productivity varies over time. Some explanations for the increase in wage dispersion are provided, focusing on the increasing decentralisation in wage bargaining after 1986. Finally, we cast some light on the theoretical structure underlying the labour market.     

Increasing wage dispersion and the changes in relative employment and wages in Mexico's urban informal sector: 1987-1993

This study analyses the role of changes in informal/formal relative employment, wage levels and wage inequality in explaining increasing wage dispersion in Mexico during the 1987–1993 period. From 1987 to 1993, the variance of the log of hourly wages for Mexican workers increased by more than 50 per cent. Using data from the Encuesta nacional de empleo urbano we find that this increase in the overall wage dispersion was mainly driven by increasing wage dispersion in the formal sector coupled with a faster growth in formal sector employment as a percentage of total employment. However, compression in the distribution of wages within the informal sector contributed to substantially slowdown the increasing overall wage inequality. About 60 per cent of the 1987–1993 4.65 percentage point reduction in the informal sector share of total employment is explained by changes in the structure that determines sectoral employment; the rest is explained by changes in the composition of the labour force, particularly increases in the sectoral education gap and a change in the regional relative share of sectoral employment. Also, from 1987 to 1993 the sectoral wage ratio increased from 0.59 to 0.63. It seems that a relative improvement in unobserved skills in the informal sector helped to close the wage differential but this effect was partially offset by an increase in the relative prices of both observed and unobserved skills, as well as increases in relative observed skills in the formal sector, particularly education.     

Wage inequality in Turkey, 2002–10

This paper studies the evolution of wage inequality in Turkey using household labour force survey data from 2002 to 2010. Between 2002 and 2004, the relative supply of more‐educated workers to less‐educated workers remained constant while their relative wages decreased in favour of less‐educated workers. However, between 2004 and 2010, the relative supply of more‐educated workers to less‐educated workers rose, while their relative wages remained constant or kept increasing in favour of more‐educated workers. This suggests factors other than those implied by a simple supply‐demand model are involved, such as skill‐biased technical change or minimum wage variations. The decomposition of wage inequality reveals that the price (wage) effect dominates the composition effect particularly in the first period. Our results show that the real minimum wage hike in 2004 corresponds to a major institutional change, which proved to be welfare‐increasing in terms of wage inequality. The upper‐tail (90/50) wage inequality decreased between 2002 and 2004 and stayed constant thereafter, whereas the lower‐tail (50/10) wage inequality decreased throughout the period. Our findings thus provide evidence supporting the institutional argument for explaining wage inequality.