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11.
Joan Muysken Ehsan Vallizadeh Thomas Ziesemer 《The Scandinavian journal of economics》2015,117(2):403-451
In this paper, we analyze the labor market impacts of immigration under flexible and rigid labor market regimes. A general equilibrium framework is developed, accounting for skill heterogeneity and labor market frictions, where unemployed medium‐skilled manufacturing workers are downgraded into low‐skilled service jobs, while low‐skilled service workers might end up unemployed. The analytical analysis shows that medium‐skill immigration decreases low‐skilled unemployment under the flexible regime, indicating a complementarity effect, while the rigid regime induces a substitution effect, leading to low‐skilled unemployment. Moreover, it leads to wage polarization. In a numerical analysis, the economic effects of different migration scenarios are quantified. 相似文献
12.
Ying Liu Stan Geertman Frank van Oort Yanliu Lin 《International journal of urban and regional research》2018,42(3):483-499
Gentrification in China is intertwined with urban redevelopment, which causes the large‐scale displacement of rural–urban migrants from ‘villages in the city’ (ViCs). Because of the informality of ViCs, migrant renters have very insecure tenancy and during redevelopment they are treated as a negligible (‘invisible’) social group. As they are very difficult to locate after displacement, they are also literally invisible to researchers. To make the invisible visible, this study traced a sample of displaced migrants from Huangbeiling village in Shenzhen. The focus was on the displacement process and on identifying the consequences for the displaced. We found various forms of displacement during the redevelopment process. Nearby ViCs were prioritized by displaced migrants to minimize as much utility loss as possible. However, they generally suffer from decreased proximity, increased living costs, and the loss of social networks and job opportunities. Remarkably, some choose to return to the gentrifying village, enduring displacement in situ caused by increasing rents, drastic physical neighbourhood changes and declining liveability, in exchange for retaining their original social and economic networks. Large‐scale urban redevelopment is causing the rapid shrinkage of informal housing. Recognizing and addressing the housing needs of this impoverished social group is a matter of urgency. 相似文献
13.
Makoto Masui 《Metroeconomica》2020,71(4):803-834
This paper focuses on the following two primary reasons that employers use temporary contracts: to flexibly adjust employment and to screen workers. A search-matching framework is used to not only address employers’ endogenous choices in using temporary contracts, but also numerically identify the situations in which these contracts are likely to be used as a screening tool for permanent positions. This numerical exercise demonstrates that reducing employment protections in permanent jobs, reducing benefits for unemployed workers and raising the conversion probability from temporary to permanent employment will increase the relative proportion of employers who use temporary contracts as a screening device. 相似文献
14.
产业转型升级发展对专业技能型人才的需求发生变化,作为技能型人才重要培养主体的高职院校,面临着如何培养新时代高素质技能人才的挑战。通过招聘大数据挖掘电子商务技能型人才的需求特征,同时调研相关高职院校电子商务专业人才培养现状,分析供需匹配度。结果表明:电商企业需要德技并修的高素质技能型人才,而高职院校的课程体系以专业技能、商务技能等硬技能教学为主,忽视综合素养软技能教育,同时,高职院校电子商务专业课程开设未能根据行业技术更新和产业转型发展及时调整。基于研究结果,从课程体系建设、校企合作深化、工匠精神培育等方面提出相关建议。 相似文献
15.
本文以承秦高速三标为背景,通过优化施工便道、临时电力、弃土场、拌和站、梁场等大临工程施工方案,优化隧道、桥梁设计方案,有效降低了施工成本,取得了较好的经济效益,对山区高速公路施工成本管理有一定的借鉴意义。 相似文献
16.
We study the effect of tenure on earnings instability in Italy using the reforms of temporary employment contracts, which affected the average tenure of workers differentially across cohorts. We develop a model of earnings dynamics, and we exploit the variation of tenure and instability over time and across birth cohorts to estimate policy‐relevant parameters. Our results indicate that each year of tenure on the job reduces earnings instability by 11 percent; the drop is faster in the first three years of the match. Workers on a temporary contract have an earnings instability up to 100 percent higher than workers on a permanent contract. 相似文献
17.
基于技能型紧缺人才培养,本文先分析了技能型紧缺人才的内涵和人才队伍的现状,接着分析了目前高职院校技能型紧缺人才培养现状和存在问题,最后提出了相应的对策和建议。 相似文献
18.
Eugene Jones 《食品市场学杂志》2016,22(3):350-380
An econometric model is developed and estimated for all brands of coffee sold at the retail level in four supermarkets in Columbus, Ohio. These brands are segmented into 24 categories, and the four stores are classified into two groups, inner-city and suburban, based on 2010 census tract data. Using estimated measures of price-sensitivity, these 24 categories are further segmented into four groups to help guide and clarify the discussion. Estimated results show different purchasing patterns and different levels of price-sensitivity for inner-city and suburban shoppers. Further, these purchasing patterns and levels of price-sensitivity suggest alternative marketing strategies for retailers. Private-label coffee brands are shown to be quite competitive with many national brands, and indeed private-label brands command a market share among inner-city shoppers that is more than double that for the nation (21.95% vs. 9%). 相似文献
19.
王大文 《石油工业技术监督》2012,28(5):29-30,32
分析了在油气田建设工程施工阶段,临时用电存在的设备陈旧、安全管理不到位、保护接地线不按要求连接等安全隐患,提出了安全用电的具体防护措施。 相似文献
20.
国内吸收法认为,当国内需求没有完全吸收其产出时,就会通过净出口产生贸易顺差.中国持续的经常项目顺差似乎与消费需求不足有关.收入是决定居民消费需求的最基本因素之一.本文通过实证分析我国居民的消费与收入变化的关系来考察我国居民的消费需求,结合国内吸收法的思想来分析我国的经常项目动态. 相似文献