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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Counting on count data models

Quantitative policy evaluation can benefit from a rich set of econometric methods for analyzing count data

Rainer Winkelmann

Often, economic policies are directed toward outcomes that are measured as counts. Examples of economic variables that use a basic counting scale are number of children as an indicator of fertility, number of doctor visits as an indicator of health care demand, and number of days absent from work as an indicator of employee shirking. Several econometric methods are available for analyzing such data, including the Poisson and negative binomial models. They can provide useful insights that cannot be obtained from standard linear regression models. Estimation and interpretation are illustrated in two empirical examples.

  • Does accession to the EU affect firms’ productivity?

    State capture and uneven infrastructure development due to foreign direct investment can outweigh productivity gains

    Firms in the new EU member states of Eastern Europe are more productive than those in other transition economies, but with a diminishing advantage. The least productive firms benefit the most from membership, although the situation is reversed in the case of foreign-owned firms. Foreign direct investment fails to promote knowledge and technology spillovers beyond the receiving firms. The dominance of multinational enterprises in the new EU member states enhances the threat of corporate state capture and asymmetric infrastructure development, whilst access to finance remains a constricting issue for all firms.
  • Is unconditional basic income a viable alternative to other social welfare measures?

    Countries give basic education and health care to everyone, and for good reasons—why not basic income?

    Ugo Colombino, March 2019
    Globalization and automation have brought about a tremendous increase in productivity, with enormous benefits, but also a dramatic reallocation of jobs, skills, and incomes, which might jeopardize the full realization of those benefits. Current social policies may not be adequate to successfully redistribute the gains from automation and globalization or to advance the reallocation of jobs and skills. Under certain circumstances, an unconditional basic income might be a better alternative for achieving these goals. It is simple, transparent, and has low administrative costs, though it may require higher taxes or a cut/reallocation of other public expenditures.
  • Improvement in European labor force participation

    Do structural reforms or educational expansion drive higher employment and participation rates?

    Daniel Gros, February 2019
    Employment and labor force participation (LFP) rates have increased throughout Europe since the 1990s, with little interruption from the Great Recession. While many credit labor market reforms for this progress, ongoing educational expansion might actually be more important. This implies that the overall employment rate of an economy can change if the share of the population with tertiary education increases, even in the absence of any labor market reforms or effects of the business cycle. Taking this compositional effect into account makes it possible to disentangle the impact of reforms.
  • Market competition and executive pay

    Increased competition affects the pay incentives firms provide to their managers and may also affect overall pay structures

    Priscila Ferreira, February 2019
    Deregulation and managerial compensation are two important topics on the political and academic agenda. The former has been a significant policy recommendation in light of the negative effects associated with overly restrictive regulation on markets and the economy. The latter relates to the sharp increase in top executives’ pay and the nature of the link between pay and performance. To the extent that product-market competition can affect the incentive schemes offered by firms to their executives, the analysis of the effects of competition on the structure of compensation can be informative for policy purposes.
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  • Apr 11, 2019 - Apr 12, 2019

    2nd International Conference on Gender Research

    Roma Tre University, Italy

    The 2nd International Conference on Gender Research seeks to further establish a platform where academics and professionals can come together to share and learn.

  • Apr 12, 2019 - Apr 13, 2019

    3rd IZA Workshop on Gender and Family Economics, Joint with Universidad Adolfo Ibañez

    Viña del Mar, Chile

    IZA and Universidad Adolfo Ibañez are organizing the 3rd IZA Annual Workshop on Gender and Family Economics. The workshop will create a stimulating environment that will enable participants to engage in discussion and receive valuable feedback on pressing issues in gender- and family-related research and policy. 

  • May 16, 2019 - May 17, 2019

    9th ifo Dresden Workshop on Labor Economics and Social Policy

    Dresden, Germany

    The workshop aims to facilitate the networking of young scientists and to promote the exchange of their latest research across the range of labour economics, social policy, education economics, demography and migration. Policy relevant contributions, either theoretical or applied, are highly welcome. We particularly encourage PhD students to submit their latest research.

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