Gender Discrimination and Worker Selectivity: A Comparison of the Self-employed and Wage Earners

This study compares the size and nature of the gender earnings differentials for the self-employed and wage earners in Korea, taking into account the workers’ self-selection of each employment type. The two-stage estimates of the earnings equation, corrected for worker selectivity, are used to decompose the gender earnings differentials into productivity-related and discriminatory factors. Our results suggest that the size of the gender earnings gap is larger in the wage sector than in the self-employment sector, but not by large margin, and so is the discrimination effect when not controlled for worker selectivity. With worker selectivity controlled, the discrimination effect is greatly intensified in the wage sector, while it becomes not significant in the self-employment sector. These findings imply that the observed gender earnings gap in the wage sector is largely ascribed to discrimination against women, while the gender earnings gap in the self-employment sector is mostly due to productivity difference that, in part, is caused by worker selectivity.     

The role of small enterprises in the household and national economy in Kenya: A significant contribution or a last resort?

Based on a nationwide survey, this article addresses the contribution of micro and small enterprises (MSEs) to employment, national income, and household income in Kenya. One-third of all working persons are employed in MSEs and the sector contributes 13% to national income. Despite their large contribution as a whole, returns to individual MSEs vary tremendously. Among those MSEs that represent the sole source of income for the household, 72% make less than the absolute poverty line in urban areas and none of the MSEs in rural areas make above the absolute poverty line. Comparing hourly MSE returns to average earnings in the private sector, the majority make below the average earnings while a minority make significantly higher earnings.     

Rural Nonfarm Activities and Poverty in the Brazilian Northeast

This paper combines two complementary data sets to present a disaggregated spatial profile of poverty in the Brazilian Northeast, and to investigate the importance of nonagricultural activities for its rural dwellers. We present both univariate and multivariate profiles of nonagricultural employment and discuss its determinants. While the main occupational difference between the rural poor and the rural nonpoor in Brazil seems to be the greater reliance of the former on paid agricultural employment (vis-à-vis own cultivation), rather than access to nonagricultural activities, the evidence nevertheless suggests that diversification into this growing sector provides both an important complement to the budgets of the poor, and possibly a self-insurance mechanism against negative shocks. Despite the substantial heterogeneity of the sector, two general findings are robust: returns to education are comparatively high; and location in relation to urban areas is an important determinant of both employment and earnings in rural nonagricultural activities.     

Education and Earnings in Transition: The Case of Lao*

This paper is a study on the returns to education in Lao, a country that has been largely neglected by the published literature. The authors found that the private rates of returns to education have risen significantly with economic transition. In particular, returns for young workers are considerably higher than for older workers. Although large earnings premiums are generally received by workers with high levels of education, the most profitable investment in education for a large number of paid employees is still the primary level. Moreover, there are the significant public–private sector wage differentials. The research findings have important implications for public sector salaries and the financing of education in Lao.     

An empirical analysis of the gender earnings gap between the public and private sectors in Korea: A comparative study with the US

This paper conducts an empirical analysis of the gender earnings gap in the public and private sectors by comparing the cases in Korea with those in the US. Using comparable data sets by the Panel Study of Income Dynamics for the US and the Korean Income Panel Study for Korea, this study decomposes the gender earnings gap in order to identify the causal factors. One of the main factors attributable to a much lower gender earnings gap found in the Korean public sector is the self-selection by female workers with high levels of human capital who decide to enter the public sector. Another factor is the differing levels of efforts made by institutions, in areas such as wage structure, the enforcement of gender equality related laws, and the provision of paid family leave, which may affect differently the gender earnings gap in the public and private sector jobs. The empirical results of this study suggest that the differing levels of institutional efforts lower the gender earnings gap within the Korean public sector.     

Reforming Tanzania's tea sector: a story of success?

Tea, one of Tanzania's major export crops, contributes about $30 million to the country's export earnings and provides employment to some 50 000 families. Despite the sector's early success, nationalisation of two estates along with neglect of the smallholder sector made it clear that only broad-based policy reforms would revive the sector. Reforms in the tea sector started much earlier than reforms in other export crop sectors. Furthermore, they were undertaken, and hence owned, by the government and the industry. The reforms have been by and large successful. There has been considerable supply response, tea quality has improved, and the research system has been very successful in developing and disseminating useful research findings to both estates and smallholders. However, some issues must be addressed, namely excessive taxation, over-regulation, and the trade policy environment.     

Superior female education: Explaining the gender earnings gap trend in Thailand

It is well-known that along with Thailand's remarkable increase in real income per capita during 1985–2005, an increase in overall income inequality was observed. What is not documented in the literature is that, during the same time period, the gender earnings inequality declined considerably. This paper seeks to identify the main factors that contributed to the decline in gender earnings gap in Thailand's wage and salary sector during 1985–2005. A parametric methodology, the Neumark (1988) version of the Blinder–Oaxaca (1973) method, is implemented in order to decompose gender earnings gap. I also make a methodological contribution by proposing a way to modify the DiNardo–Fortin–Lemieux (1996) nonparametric decomposition method so that its results are comparable to those from the Neumark version of the Blinder–Oaxaca method. The key findings of this paper are as follows. First, I find that increases in female education and changes in unobserved factors, which were concurrent with modernization, were the main sources of the decline in gender earnings gap. Second, over time, improvements in the education of females in this sector surpassed that of males. However, the superior education of females did not result in females earning higher than males due to the existing counteracting effect of the unexplained factors. Finally, the nonparametric investigation corroborated the results from the parametric methodology.     

Earnings differentials between the public and private sectors in China: Exploring changes for urban local residents in the 2000s

This paper analyzes the changes in public–private sector earnings differentials for local residents in urban China between 2002 and 2007. We find that earnings gaps across ownership sectors decreased during this period and that the convergence trend has been in favor of the private and semi-public sectors as opposed to the public sector. This trend is in sharp contrast to what occurred at the turn of the 21st century when employees in the government and state-owned enterprises were found to enjoy a privileged situation. Differences in endowments are found to play a growing role in explaining earnings differentials. However, although it is becoming less of an issue, segmentation across ownership remains important, especially for high-wage earners.     

The reaction of Canadian securities to revisions of earnings forecasts*

Abstract. This first study of Canadian securities' earnings forecasts published by Institutional Brokers Estimate System (IBES) focuses on changes in the mean earnings per share forecasts of 159 to 188 companies from 1985 to 1987. Cumulative average residuals are used to detect the announcement effects of large earnings forecast revisions. The main results of this study are the following. First, an investor with access to changes of earnings per share forecasts at the beginning of the month of publication could realize abnormal excess returns. Second, trading strategies based on earnings forecasts revisions can also yield abnormal returns, but the magnitude of the revision, the sector of the company, and the month in which the revision is realized must be considered. Third, when financial analysts' forecasts are published, the informational content of large revisions in forecasts has already been discounted by the market. This result is similar to findings of U.S.– and U.K.–based studies. Finally, large forecasts revisions coincide with a period of abnormal returns. However, the information content of the announcement of forecasts changes cannot be established. The gains are larger if the trade is undertaken before the diffusion of the forecast revision to the IBES subscribers. These results do not vary with the model chosen to predict company returns. This does not necessarily indicate the existence of a market inefficiency because information acquisition and analysis costs, as well as transaction costs, may diminish considerably these abnormal trading gains.     

Some evidence on the cohort earnings differentials of men in Japan

This study analyses the cohort earnings differentials of full-time working men in Japan using large micro data on individuals. Log earnings differentials between two cohorts of the same age calculated from 2012 and 2017 surveys reveal a substantial earnings decline for university graduates around age 43 and senior high school graduates around age 38 in 2017. These cohorts experienced a severe deterioration of job opportunities after the bubble burst. The Blinder–Oaxaca decomposition shows that the composition effect dominates the wage structure effect. In particular, a shortened length of tenure and a decline in the share of those working in a large firm are the main causes of the earnings gap for senior high school graduates and for university graduates, respectively. While an increase in the proportion of those working in the service sector and a reduced share of regular workers are also important determinants for the earnings differentials for high school graduates, deteriorated opportunities for promotion to supervisory positions play an important role for university graduates. Extending this analysis to a longer time period and estimating the cohort earnings differential equation clarify that the observed stability of cohort earnings differentials for university graduates emerge not only from the importance of firm size differentials in determining their earning differentials, but also from the high stability of firm size differentials between cohorts for university graduates.     

The Tourism Boom in Indonesia

A major development in the Indonesian economy during the latter pan of the 1980s has been the growth in non-oil exports, particularly from the manufacturing sector. However a development less remarked upon over the same period has been the expansion of the Indonesian tourist industry. This paper explores the reasons for this growth and examines whether the government's ambitious targets for further expansion of the sector can be realised. It also looks at the potential of the tourist sector for generating productive employment opportunities and increased foreign exchange earnings over the Repelita V period and beyond.     

Why Do Large Firms' Prices Anticipate Earnings Earlier than Small Firms' Prices?*

This paper presents evidence that the positive association between firm size and price leads of earnings is not solely a function of private search incentives for firm‐specific information. Specifically, we find that small‐firm prices also lag large‐firm prices with respect to industry‐wide information. Our empirical analysis extends Collins, Kothari, and Rayburn 1987 and Freeman 1987, who document that security‐price leads of earnings are positively associated with market capitalization. In particular, we examine the association between firm size and the timing of security returns for two components of annual earnings changes: the average change for a firm's industry and the firm's idiosyncratic change. We find that large firms' prices have a longer lead than small firms' prices with respect to both components. Large firms' early lead on industry‐wide earnings suggests that returns of large firms predict returns of same‐industry small firms. To test this implication, we construct a portfolio of long (short) positions in small firms when the prior month's returns of large firms in their industry are above (below) average for large firms in other industries. This zero investment portfolio earns 4.5 percent over 12 months.     

The effect of public sector employment on the earnings of white and African American males: A sample selectivity approach

This research note uses a sample selection model to measure the earnings premium (or penalty) to public sector employment. A model correcting for both labor force participation and sectoral choice is estimated for both white and African American males. Results indicate that African American males are no better off in the public than in the private sector. Moreover, white males employed in the public sector earn significantly less than their private sector counterparts.     

Earnings on the Information Technology Roller Coaster: Insight from Matched Employer-Employee Data

This article uses matched employer-employee data for the State of Georgia to examine workers' earnings experience through the information technology (IT) sector's employment boom of the mid-1990s and bust in the early 2000s. The results show that even after controlling for pre-boom individual characteristics, transitioning out of the IT sector to a non-IT industry generally resulted in a large wage penalty. However, IT service workers who transitioned to a non-IT industry still fared better than workers who took a non-IT employment path. For IT manufacturing workers, there is no benefit to having been touched by technology, likely because of the nontransferability of manufacturing experience to other industries.     

Education and the structure of earnings in Portugal

Summary This paper uses data on the earnings and personal characteristics of a sample of 73,000 nonagricultural employees in 1977 to assess the returns to education and test one particular prediction of the screening hypothesis. The results indicate that in spite of the recent rapid postcompulsory increase in enrolments the returns to education are of a similar magnitude as in other countries, although they have been depressed at the secondary level. A distinction between private and public sector pay led to the detection of diverging experience earnings profiles in the profit-maximising sector, a finding that has been interpreted as running against the prediction of the screening hypothesis.     

Returns to education in China: Evidence from the great higher education expansion

China experienced a near 5-fold increase in annual Higher Education (HE) enrolment in the decade starting in 1999. Using the China Household Finance Survey, we show that the Great HE Expansion has exacerbated a large pre-existing urban-rural gap in educational attainment underpinned by the hukou (household registration) system. We instrument the years of schooling with the interaction between urban hukou status during childhood and the timing of the expansion – in essence a difference-in-differences estimator using rural students to control for common time trends. We find that the Great HE raised earnings by 17% for men and 12% for women respectively, allowing for county fixed-effects. These Two Stage Least Squares (2SLS) estimates, which are robust to additional controls for hukou status at birth fully interacted with birth hukou province, can be interpreted as the Local Average Treatment Effect (LATE) of education on earnings for urban students who enrolled in HE only because of the Great HE Expansion. For the selected subsample of respondents with parental education information, we find that the 2SLS returns for students from more disadvantaged backgrounds are at least as high as their more advantaged counterparts, for both genders.     

Understanding income volatility in urban China

Higher income volatility is associated with a higher risk and a reduction in well-being. Income volatility is widely studied in many advanced economies, yet little is known about income volatility in China. In this paper we document trends in earnings volatility and household income volatility in urban China and examine what are the driving forces. Using the China Urban Household Survey, we find that male earnings volatility increased by 89% between 1992 and 2009. Earnings volatility is higher for older, less educated, and those who work in private service sector and non-SOEs. Decomposition analysis suggests that couple’s earnings shocks are positively correlated, while transfer income and other income help smooth out head earnings shocks. In addition, transfer income and other non-transfer income plays a larger role in smoothing out head earnings shocks for poorer households.     

Earnings Differentials Determinants Between Skills in the Malaysian Manufacturing Sector

The Malaysian manufacturing sector has been experiencing a gradual change in its production process as it shifts from labor-intensive to more capital-intensive techniques. This has led to a change in the skills required by the industries where skilled workers are in greater demand and where the wage ratio between skills favors the skilled workers. There are many factors that can influence an indi-vidual's earnings. These include educational attainment, job location, types of industries and sex. This paper attempts to measure the determinants of earnings differentials among skilled, semi-skilled and unskilled workers in the Malaysian manufacturing sector. The analysis is based on a survey of 2065 workers in six major industries conducted in 1999. These are the electrical and electronics, textile, wood-based, transport equipment, food and chemical industries. The determin-ants of earnings differentials are obtained by using the coefficients of the earnings functions. These factors are decomposed into several categories, namely human capital, individual characteristics and the residual. The results reveal that human capital variables, which comprise education, training and experience, play a significant role in determining the earnings differentials, particularly between skilled and semi-skilled workers and between semi-skilled and unskilled workers.     

Missing Household Saving and Valuation of Corporations: Inquiry into Japanese National Accounts I

The Japanese household sector has suffered a capital loss of some 400 trillion yen (in 1990 consumption prices) since 1970. This is a large enough loss to explain the Japanese recession of the 1990s. We can trace some three fourths of this capital loss to the loss in the market value of Japanese corporations relative to their accounting value (at reproduction cost). The behavior of the corporate sector leading to this loss is obscured because, in the Japanese National Accounts, the corporate sector contains both private and public enterprises, and information presented for this sector is seriously incomplete. Nevertheless, data suggest that corporations have attempted to maximize their productive capacity rather than their market value and overinvested in plant and equipment since at least 1970. An unusual corporate governance structure in Japan may have permitted and even induced corporate management to follow such a strategy. The paper concludes with a set of recommendations to improve the presentation of these issues in the National Accounts. J. Japan. Int. Econ., June 2002, 16(2) pp. 147–176. University of Pennsylvania, Philadelphia, Pennsylvania 19104 and NBER. © 2002 Elsevier Science (USA).Journal of Economic Literature Classification Numbers: C82, E21, E22, G30.     

Contribution Ceilings and the Incidence of Payroll Taxes

Social security contributions (SSCs) are typically formally split between employers and employees as payroll taxes, levied on earnings at a constant tax rate that applies only up to a ceiling, above which the marginal tax rate falls to a reduced rate, often 0. Such contribution ceilings create a concave kink point in the budget set of workers and hence should generate a dip in the distribution of earnings around the ceiling through labour supply responses (the reverse of bunching expected at convex kink points) but such a dip is not observed empirically. This paper sets out a new approach to infer the incidence of SSCs that exploits the absence of this dip and the fact that (mechanically) the distributions of labour cost (earnings inclusive of all payroll taxes), gross earnings (net of employer payroll taxes) and net earnings (net of both employer and employee payroll taxes) cannot all be smooth around a kink. The other papers in this special issue apply the method to data for Germany, France, the Netherlands and the UK and all find that distribution of gross earnings is smooth around kinks (implying that the distributions of labour costs and net-of-tax earnings are not) even though the concept of gross earnings is irrelevant in the standard static model of labour supply and demand that dominates the public economics literature. This suggests that other features of the labour market, such as wage bargaining based on the gross earnings concept, are relevant for determining the incidence of SSCs.