دانلود مقاله ISI انگلیسی شماره 16226
عنوان فارسی مقاله

ادغام بازار کار مارشال: شواهدی از ایتالیا

کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
16226 2013 15 صفحه PDF سفارش دهید محاسبه نشده
خرید مقاله
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عنوان انگلیسی
Marshallian labour market pooling: Evidence from Italy
منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : Regional Science and Urban Economics, Volume 43, Issue 6, November 2013, Pages 1008–1022

کلمات کلیدی
بازارهای کار محلی - تطبیق - گردش مالی - آموزش - مانع شدن - تراکم
پیش نمایش مقاله
پیش نمایش مقاله ادغام بازار کار مارشال: شواهدی از ایتالیا

چکیده انگلیسی

This paper employs a unique Italian data source to take a comprehensive approach to labour market pooling. It jointly considers many different aspects of the agglomeration — labour market relationship, including turnover, learning, matching, and hold up. It also considers labour market pooling from the perspective of both workers and firms and across a range of industries. Overall, the paper finds some support for theories of labour market pooling, but the support is weak. Specifically, there is a general positive relationship of turnover to local population density, which is consistent with theories of agglomeration and uncertainty. There is also evidence of on-the-job learning that is consistent with theories of labour pooling, labour poaching, and hold up. In addition, the paper provides evidence consistent with agglomeration improving job matches. However, the labour market pooling gains that we measure are small in magnitude and seem unlikely to account for a substantial share of the agglomeration benefits accruing to Italian workers and firms.

مقدمه انگلیسی

As with most economic research on urban labour markets, this paper begins with Marshall (1890). His well-known taxonomy of the sources of external economies of scale includes knowledge spillovers, input sharing, and – most importantly for our purposes – labour market pooling. The latter refers to the advantages for workers and firms deriving from sharing a labour market that is territorially limited to a small area: the local labour market. For instance, in a thicker local labour market workers might be able to find a job faster. Similarly, firms might fill vacancies faster. In addition, firms and workers are likely to find better matches in terms of skills and experience. Moreover, workers might acquire more knowledge through learning spillovers. At the same time, job opportunities in competing firms might discourage firms to invest in their workers' training. This paper employs a unique Italian data source to take a comprehensive approach to labour market pooling. The paper looks across all industries from the perspectives of both workers and firms, and it considers many different aspects of labour market pooling, including turnover, matching, hold up and learning. To our knowledge, this is the first time that such variables are used in a study of the economic effects of agglomeration. Our main data sources are the 2006 Survey of Household Income and Wealth (shiw) and the 2007 Survey on Industrial and Service Firms (sisf). These Bank of Italy Surveys are described in greater detail below. They are valuable for our purposes because they provide information on aspects of labour market pooling such as turnover, the suitability of a worker for his or her job, on-the-job learning, training, and so on. This type of information is not available from the standard administrative sources used by previous research on the subject. We match these data with data from the Italian National Institute of Statistics to assess the thickness of the labour market in which firms and workers operate and to control for other aspects of these locations. In order to establish a context for our investigation of labour market pooling, we begin by estimating models of the urban wage premium and of the relationship between agglomeration and firm output per worker. Our results here are consistent with the pattern of results from other empirical works on agglomeration. There is consistent evidence of an urban wage premium. In addition, firm output per worker is positively related to population density. The labour market pooling results that we find are, when taken as a whole, rather restrained in their support for the various sorts of labour market pooling that appear in the theoretical literature. There is a general positive relationship of turnover to density, which is consistent with theories of agglomeration and uncertainty. The paper also finds evidence of on-the-job learning that is consistent with theories of labour pooling, labour poaching, and hold up. In addition, the paper provides evidence consistent with agglomeration improving job matches. Overall, we find evidence of a variety of channels for labour market pooling. There are several ways that one might interpret the modest magnitudes of our labour market pooling results. One possibility is that greater urban density improves the workings of local labour markets, but only modestly so. Another is that the weak relationship may, in some cases, reflect a complicated equilibrium relationship between labour pooling and density. For instance, we find a relatively weak relationship between a worker's self-reported appropriate experience for a job and density. This should arguably reflect the combination of two different effects: the influence of a thick market on the worker–job match (which would tend to find better fit with higher density) and the tendency of jobs requiring specialized skills to locate in thick markets (which would tend to have the opposite effect). Another possible interpretation of the modest coefficients is that labour market pooling operates differently across different industries. For instance, it is common to consider the relationship between agglomeration and turnover for the computer industry. If the relationship is strong in this sector but not in others, then estimating over all industries will produce aggregate coefficients that fail to capture the relationships at work in individual sectors. More generally, if agglomeration effects are particular to sectors or industries, imposing the specification that effects are the same across sectors can fail to uncover agglomeration effects. Unfortunately, our data do not allow us to say more about the sources of the small coefficients. We hope that further research will be able to shed more light on this issue. For now we offer the following conclusion. We find evidence consistent with a variety of local labour market pooling mechanisms. However, looking across industries, the effects we evidence are small and appear to account for only a small fraction of agglomeration economies. The remainder of the paper is organized as follows. Section 2 discusses the relevant literature and how our analysis arises from it. Section 3 presents the details of the paper's data sources. Section 4 includes the results of the estimates of the agglomeration–wage and agglomeration–productivity relationship. Section 5 contains the estimates of the relationship between agglomeration and turnover, learning, matching, and other aspects of labour market pooling. Section 6 assesses the importance of our measures of labour market pooling in the agglomeration–wage and agglomeration–productivity relationship. Section 7 concludes.

نتیجه گیری انگلیسی

This paper looks at several different aspects of labour market pooling across a range of industries and from the perspectives of both firms and workers. The focus is on the microfoundations of agglomeration economies. The paper's findings are broadly consistent with the many different sorts of labour market pooling that have been discussed in the theoretical literature. The paper demonstrates a general positive relationship of turnover to density. It also offers evidence of on-the-job learning that is consistent with theories of labour pooling, labour poaching, and hold up. In addition, the paper provides evidence consistent with agglomeration improving job matches. The magnitudes, however, are relatively modest. The paper shows that labour market pooling gains are unlikely to account for a significant share of the agglomeration benefits accruing to workers and firms. These results have several possible explanations. As noted above, this pattern may reflect, at least in part, the complex equilibrium relationships associated with agglomeration. It is also possible that labour market pooling is, at least in the Italian markets that we examine, not an important source of agglomeration economies. Or that there are different sources of agglomeration economies in different industries, making it difficult to identify a clear pattern of labour market pooling across all industries. The data do not allow us to determine which of these possible explanations are correct. There is one strong suggestion that comes from the weak results, and that is that economists should attend to the specifics of industries in looking for evidence of the microfoundations of agglomeration economies. The various microfoundations proposed by Marshall and his successors may all be valid in certain situations but not in others. This means both that approaches that focus on particular and narrowly defined industries make a lot of sense and that one should be cautious in generalizing the results of these approaches. Similarly, policymakers should probably also be careful not to draw overly general lessons from the agglomeration successes of particular industries.

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