Evidence-based policy making

IZA World of Labor is an online platform that provides policy analysts, journalists, academics and society generally with relevant and concise information on labor market issues. Based on the latest research, it provides current thinking on labor markets worldwide in a clear and accessible style. IZA World of Labor aims to support evidence-based policy making and increase awareness of labor market issues.

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Compliance with minimum wage laws in developing countries

Institutional, individual, firm, and local labor market characteristics are critical for understanding non-compliance with minimum wage laws

Haroon Bhorat

The level of compliance with minimum wage laws often depends on factors specific to each labor market. In most developing countries, a substantial share of workers still earns less than the legal minimum. Enforcement has not kept up with growth in regulations to protect workers from low wages and poor working conditions. Several institutional structures shape enforcement, including the role of labor inspectors and approaches to compliance, and these and other variables can be analyzed to explore their effects on the level of minimum wage violations.

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  • School tracking and intergenerational social mobility

    Postponing school tracking can increase social mobility without significant adverse effects on educational achievement

    Tuomas Pekkarinen, December 2018
    The goal of school tracking (assigning students to different types of school by ability) is to increase educational efficiency by creating more homogeneous groups of students that are easier to teach. However, there are concerns that, if begun too early in the schooling process, tracking may improve educational attainment at the cost of reduced intergenerational social mobility. Recent empirical evidence finds no evidence of an efficiency–equality trade-off when tracking is postponed.
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  • Do higher levels of education and skills in an area benefit wider society?

    Education benefits individuals, but the societal benefits are likely even greater

    John V. Winters, December 2018
    Formal schooling increases earnings and provides other individual benefits. However, societal benefits of education may exceed individual benefits. Research finds that higher average education levels in an area are correlated with higher earnings, even for local residents with minimal education. Science, technology, engineering, and mathematics (STEM) graduates appear to generate especially strong external effects, due to their role in stimulating innovation and economic growth. Several strategies to test for causality find human capital externalities do exist.
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  • Gender quotas on boards of directors

    Gender quotas for women on boards of directors improve female share on boards but firm performance effects are mixed

    Nina Smith, December 2018
    Arguments for increasing gender diversity on boards of directors by gender quotas range from ensuring equal opportunity to improving firm performance. The introduction of gender quotas in a number of countries has increased female representation on boards. Current research does not justify gender quotas on grounds of economic efficiency. In many countries the number of women in top executive positions is limited, and it is not clear from the evidence that quotas lead to a larger pool of female top executives, who are the main pipeline for boards of directors. Thus, other supplementary policies may be necessary if politicians want to increase the number of women in senior management positions.
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  • Do workers work more when earnings are high?

    Studies of independent contractors suggest that workers’ effort may be more responsive to wage incentives than previously thought

    Tess M. Stafford, November 2018
    A fundamental question in economic policy is how labor supply responds to changes in remuneration. The responsiveness of labor supply determines the size of the employment impact and efficiency loss of progressive income taxation. It also affects predictions about the impacts of policies ranging from fiscal responses to business cycles to government transfer programs. The characteristics of jobs held by independent contractors provide an opportunity to overcome problems faced by earlier studies and help answer this fundamental question.
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