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Abstract. This paper deals with the impact of migration on wages. We introduce a spatial dimension into the job search framework, so that the agent faces neither the same job offer distribution nor the same search costs when looking for a job inside his local labor market. This is in comparison to the agent searching outside his local labor market, where migration costs are a factor. We estimate wage equations in which we introduce the decision to migrate as a binary choice, and later as a polychotomic choice (stayer/mover from provinces to Paris/mover from provinces to provinces). We find no selection effect for people with low levels of education, and a positive selection effect for highly educated migrants. When we distinguish the migration destination for highly educated from provinces, we find a hierarchical effect, that is, the selection effect is higher for men who migrate to Paris than for those who migrate to other provinces.  相似文献   
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This article assesses the question to what extent the model of a ‘temple society’ can be fruitfully employed as a tool of analysis for the Carolingian ecclesia, by which we mean not only the rich, well-endowed churches, but also the small, local ones. An investigation of the many different forms of ecclesiastical land-holding, and of the various functions a church and its ministers did (and did not) fulfil for early medieval Christians, shows the shape of the Carolingian ecclesia-society’ as it took shape in the course of the ninth century.  相似文献   
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Ten years after the creation of the Common Agricultural Policy (CAP), the so-called Mansholt Plan was the first attempt at radically transforming European agriculture and modernising agricultural structures. Drawing upon archives of national and Community-level farm interest groups as well as records of the European Commission, this article analyses the reactions of farm interest groups to the Mansholt Plan and their strategies to oppose it between 1968 and 1972. It explores the resistance of farmers and their professional organisations to agricultural change. In particular, the article sheds new light on the reasons behind the spectacular failure of the plan and examines the long-term consequences of that failure for farm interest groups, the Commission and the member-states. It scrutinises initial reactions from farm organisations, examines the debates over the family farm (a core economic and cultural element of European agriculture), and discusses the national and transnational lobbying and protest strategies used by farmers to oppose the plan. The article contributes to a deeper understanding of the origins of transnational societal mobilisation in post-war Western Europe and highlights the impact of national and European interest groups in EC-level policy-making.  相似文献   
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In order to understand the role of water resources in the establishment and long-term evolution of settlements investigated by the French Archaeological Mission in the UAE in the oasis of Masāfī, wells and springs of all periods, identified at the surface and in stratified contexts, were mapped and studied thanks to a multidisciplinary approach combining archaeology, geomorphology, geoarchaeology and ethnography. Our study demonstrates that:
  • – The Masāfī oasis was located in a specific geological setting entailing the accumulation of groundwater resources at reachable depth.
  • – The groundwater resources remained rather stable from the mid-second millennium BC to the second half of the twentieth century AD. In this respect, the apparent abandonment of the oasis during some periods cannot be explained by water depletion.
  • – The groundwater resources have decreased sharply since the second half of the twentieth century AD, due to the introduction of new water extraction technologies, motor pumps and then drillings, as a result of the modernisation and industrialisation of UAE economy.
Our study also stresses the importance of well and spring irrigation in the development of the sedentary settlements in south-eastern Arabia, technologies that have often been neglected in the regional archaeological literature in favour of the qanāt.  相似文献   
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