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  • 1
    Online Resource
    Online Resource
    The new hazardous jobs and worker reallocation (2020)
    Paris : OECD
    Details
    Language: English
    Pages: 1 Online-Ressource (circa 74 Seiten) , Illustrationen
    Series Statement: OECD social, employment and migration working papers no. 247
    Keywords: Employment ; Social Issues/Migration/Health ; Amtsdruckschrift ; Graue Literatur
    Abstract: This paper analyses several dimensions of workers’ safety that are relevant in the context of a pandemic. We provide a classification of occupations according to the risk of contagion: by considering a wider range of job characteristics and a more nuanced assessment of infection risk, we expand on the previous literature that almost exclusively looked at feasibility of working from home. We apply our classification to the United States and to European countries and we find that roughly 50% of jobs in our sample can be considered safe, although a large cross-country variation exists, notably in the potential incidence of remote working. We find that the most economically vulnerable workers (low-educated, low-wage workers, immigrants, workers on temporary contracts, and part-timers) are over-represented in unsafe jobs, notably in non-essential activities. We assess the nature of the reallocation of workers from unsafe to safe jobs that is likely to take place in the years to come, and the policies that could mitigate the social cost of this reallocation.
    DOI: 10.1787/400cf397-en
    URL: lizenzpflichtig
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    MPI Ethno. Forsch.
  • 2
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    Online Resource
    Age, Ageing and Skills : Results from the Survey of Adult Skills (2016)
    Paris : OECD Publishing
    Details
    Language: English
    Pages: 1 Online-Ressource (74 p.) , 21 x 29.7cm.
    Series Statement: OECD Education Working Papers no.132
    Keywords: Education
    Abstract: This paper presents a comprehensive analysis of the link between age and proficiency in information-processing skills, based on information drawn from the Survey of Adult Skills (PIAAC). The data reveal significant age-related differences in proficiencies, strongly suggesting that proficiency tends to “naturally” decline with age. Age differences in proficiency are, at first sight, substantial. On average across the OECD countries participating in PIAAC, adults aged 55 to 65 score some 30 points less than adults aged 25 to 34 on the PIAAC literacy scale, which is only slightly smaller than the score point difference between tertiary educated and less-than-upper-secondary educated individuals. However, despite their lower levels of proficiency, older individuals do not seem to suffer in terms of labour market outcomes. In particular, they generally earn higher wages, and much of the available empirical evidence suggests that they are not less productive than younger workers. Older and more experienced individuals seem therefore able to compensate the decline in information processing skills with the development of other skills, generally much more difficult to measure. On the other hand, proficiency in information-processing skills remain a strong determinant of important outcomes at all ages: this makes it important to better understand which factors are the most effective in preventing such age-related decline in proficiency, which does not occur to the same extent in all countries and for all individuals. Two broad interventions seem to be particularly promising in this respect. First, it is important to ensure that there is adequate and effective investment in skills development early in the life-cycle: as skills beget skills, starting off with a higher stock of human capital seems also to ensure smaller rates of proficiency decline. Second, it is equally important that policies are in place that provide incentives to individuals (and firms) to invest in skills across the entire working life. In this respect, changes in retirement policies can not only have the short-term effect of providing some reliefs to public finance, but have the potential to radically reshape incentives to stay active, to practice their skills and to invest more in training, thus helping to maintain high levels of proficiency.
    DOI: 10.1787/5jm0q1n38lvc-en
    URL: lizenzpflichtig
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    MPI Ethno. Forsch.
  • 3
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    Online Resource
    Literacy and Numeracy Proficiency in IALS, ALL and PIAAC (2016)
    Paris : OECD Publishing
    Details
    Language: English
    Pages: 1 Online-Ressource (46 p.) , 21 x 29.7cm.
    Series Statement: OECD Education Working Papers no.142
    Keywords: Education
    Abstract: This paper analyses proficiency in literacy and numeracy in the countries that have participated in the International Adult Literacy Survey (IALS, administered between 1994 and 1998), the Adult Literacy and Life Skills Survey (ALL, administered between 2003 and 2007) and the Survey of Adult Skills (PIAAC, administered in 2012). While many countries experienced small to modest changes in literacy proficiency between IALS and PIAAC, others saw sizeable variations, mostly on the negative side. In the shorter span that separated ALL and PIAAC, numeracy proficiency clearly declined (except in Italy), while literacy moved less on average (except for the large increase registered in Italy and the large decline experienced by Norway). Changes in the composition of the population have had little impact on observed changes in scores. Larger variations took place within different socio-demographic groups, but these tended to cancel each other out on aggregate. In particular, large variations are observed by age and levels of education. Older adults in PIAAC are generally more proficient than their IALS counterparts, probably due to the increase in educational attainments that took place over recent decades. On the contrary, tertiary-educated individuals appear to be on average less proficient than in the past, which may signal that the expansion of tertiary education has been accompanied by a decline in the average quality of university graduates (or of university instruction). There is also no evidence that the change in delivery mode, with a switch to a computer-based assessment in PIAAC, had any significant effect on performance. However, the OECD is unable to ascertain how differences in implementation and technical standards affect the comparability of the data, so that a certain degree of caution should always be exercised in interpreting these results. Amongst the countries that experienced larger changes in literacy proficiency between surveys, a close inspection of IALS data (in particular through an investigation of response patterns at the item level) highlights some anomalies in Italy and Poland (and, to a lesser extent, in England and Northern Ireland), suggesting that particular caution should be exercised in interpreting the evolution of proficiency in these countries.
    DOI: 10.1787/5jlpq7qglx5g-en
    URL: lizenzpflichtig
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  • 4
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    Invariance analyses in large-scale studies (2019)
    Paris : OECD Publishing
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    Language: English
    Pages: 1 Online-Ressource (110 p.)
    Series Statement: OECD Education Working Papers no.201
    Keywords: Education
    Abstract: Large-scale surveys such as the Programme for International Student Assessment (PISA), the Teaching and Learning International Survey (TALIS), and the Programme for the International Assessment of Adult Competences (PIAAC) use advanced statistical models to estimate scores of latent traits from multiple observed responses. The comparison of such estimated scores across different groups of respondents is valid to the extent that the same set of estimated parameters holds in each group surveyed. This issue of invariance of parameter estimates is addressed in model fit indices which gauge the likelihood that one set of parameters can be used across all groups. Therefore, the problem of scale invariance across groups of respondents can typically be framed as the question of how well a single model fits the responses of all groups. However, the procedures used to evaluate the fit of these models pose a series of theoretical and practical problems. The most commonly applied procedures to establish invariance of cognitive and non-cognitive scales across countries in large-scale surveys are developed within the framework of confirmatory factor analysis and item response theory. The criteria that are commonly applied to evaluate the fit of such models, such as the decrement of the Comparative Fit Index in confirmatory factor analysis, work normally well in the comparison of a small number of countries or groups, but can perform poorly in large-scale surveys featuring a large number of countries. More specifically, the common criteria often result in the non-rejection of metric invariance; however, the step from metric invariance (i.e. identical factor loadings across countries) to scalar invariance (i.e. identical intercepts, in addition to identical factor loadings) appears to set overly restrictive standards for scalar invariance (i.e. identical intercepts). This report sets out to identify and apply novel procedures to evaluate model fit across a large number of groups, or novel scaling models that are more likely to pass common model fit criteria.
    DOI: 10.1787/254738dd-en
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    MPI Ethno. Forsch.
  • 5
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    Assessing adults’ skills on a global scale : A joint analysis of results from PIAAC and STEP (2020)
    Paris : OECD Publishing
    Details
    Language: English
    Pages: 1 Online-Ressource (54 p.)
    Series Statement: OECD Education Working Papers no.230
    Keywords: Education
    Abstract: This paper illustrates similarities and differences between two international surveys that assess adults’ skills: the Programme for the International Assessment of Adult Competencies (PIAAC) and the Skills Towards Employment and Productivity (STEP) survey. In particular, the paper highlights the issues that can arise for researchers interested to jointly analyse the data from the two surveys and to compare their results. The paper finds that, in spite of the many similarities, important differences exist between PIAAC and STEP, both in the way the data are collected, and in the way the proficiency of respondents is estimated. These issues can indeed affect the cross-country comparability of results from the two surveys. There is instead little evidence that the literacy assessment used in the two surveys is not adequate to form a basis for a valid assessment of adults’ proficiency on a global scale.
    DOI: 10.1787/ae2f95d5-en
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    MPI Ethno. Forsch.
  • 6
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    Youth in Transition : How Do Some of The Cohorts Participating in PISA Fare in PIAAC? (2017)
    Paris : OECD Publishing
    Details
    Language: English
    Pages: 1 Online-Ressource (117 p.)
    Series Statement: OECD Education Working Papers no.155
    Keywords: Education
    Abstract: This paper uses data from PISA and the OECD Survey of Adult Skills (PIAAC) to examine the evolution of socio-economic and gender disparities in literacy and numeracy proficiency between the ages of 15 and 27 in the sample of countries that took part in both studies. Socio-economic disparities are exacerbated between the age of 15 and 27 and the socio-economic gap in proficiency widens, particularly among low-achievers. Gender disparities in literacy at age 15 are marked across the performance spectrum but are particularly wide among low-performers. However, by age 24 there is no difference in the literacy proficiency of males and females. The gender gap in numeracy at age 15 is quantitatively small when compared with the gap in literacy, although it is more pronounced among high achievers. The paper canvasses possible explanations for the trends observed and discusses implications for policy and practice, including the extent to which the lack of an established link between PISA and PIAAC limits the analytical value of the two studies.
    DOI: 10.1787/51479ec2-en
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  • 7
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    Online Resource
    Skills and Wage Inequality : Evidence from PIAAC (2015)
    Paris : OECD Publishing
    Details
    Language: English
    Pages: 1 Online-Ressource (46 p.) , 21 x 29.7cm.
    Series Statement: OECD Education Working Papers no.114
    Keywords: Education
    Abstract: This paper exploits data from the Survey of Adult Skills (PIAAC) to shed light on the link between measured cognitive skills (proficiency), (formal) educational attainment and labour market outcomes. After presenting descriptive statistics on the degree of dispersion in the distributions of proficiency and wages, the paper shows that the cross-country correlation between these two dimensions of inequality is very low and, if anything, negative. As a next step, the paper provides estimates of the impact of both proficiency and formal education at different parts of the distribution of earnings. Formal education is found to have a larger impact on inequality, given that returns to education are in general much higher at the top than at the bottom of the distribution. The profile of returns to proficiency, by contrary, is much flatter. This is consistent with the idea that PIAAC measures rather general skills, while at the top end of the distribution the labour market rewards specialised knowledge that is necessarily acquired through tertiary and graduate education. Finally, a decomposition exercise shows that composition effects are able to explain a very limited amount of the observed cross-country differences in wage inequality. This suggests that economic institutions, by shaping the way personal characteristics are rewarded in the labour market, are the main determinants of wage inequality.
    DOI: 10.1787/5js4xfgl4ks0-en
    URL: lizenzpflichtig
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  • 8
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    The evolution of gender gaps in numeracy and literacy between childhood and adulthood (2018)
    Paris : OECD Publishing
    Details
    Language: English
    Pages: 1 Online-Ressource (27 p.)
    Series Statement: OECD Education Working Papers no.184
    Keywords: Education
    Abstract: Numeracy and literacy skills have become increasingly important in modern labour markets. The large gender differences that several studies have identified have therefore sparked considerable attention among researchers and policy makers. Little is known about the moment in which such gaps emerge, how they evolve and if their evolution differs across countries. We use data from large-scale international assessments to follow representative samples of birth-cohorts over time, and analyse how gender gaps in numeracy and literacy evolve from age 10 to age 27. Our results suggest that, across the countries examined, males’ advantage in numeracy is smallest at age 10 and largest at age 27. The growth in magnitude of the gender gap is particularly pronounced between the age of 15 and 27. Such evolution stands in sharp contrast with the evolution of the gender gap in literacy, which is small at age 10, large and in favour of females at age 15, and negligible by age 27.
    DOI: 10.1787/0ff7ae72-en
    URL: lizenzpflichtig
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  • 9
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    Online Resource
    Using process data to understand adults’ problem-solving behaviour in the Programme for the International Assessment of Adult Competencies (PIAAC) : Identifying generalised patterns across multiple tasks with sequence mining (2019)
    Paris : OECD Publishing
    Details
    Language: English
    Pages: 1 Online-Ressource (50 p.)
    Series Statement: OECD Education Working Papers no.205
    Keywords: Education
    Abstract: The Survey of Adult Skills, a product of the OECD Programme for the International Assessment of Adult Competencies (PIAAC), used computers as the main assessment deliver platform. This enabled the Programme to collect data not only on whether respondents were able to solve specific tasks, but also on how they approached the problems at hand and how much time they spent on them. This paper draws on this information to characterise individuals’ problem-solving strategies using the longest common subsequence (LCS) method, a sequence-mining technique commonly used in natural language processing and biostatistics. The LCS is used to compare the action sequences followed by PIAAC respondents to a set of “optimal” predefined sequences identified by test developers and subject matter experts. This approach allows studying problem-solving behaviours across multiple assessment items.
    DOI: 10.1787/650918f2-en
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