高职院校《进出口商品归类》教学的探讨

近年来,高等职业技术教育蓬勃发展,加入W TO后,不少学校更希望以此为契机,大力发展国际经济与贸易专业的高职教育。《进出口商品归类》是高职院校国际经济与贸易专业中开设的专业技能类课程,也是一门实用性强的新课程,在教学实践中会不可避免地碰到一些问题,文章拟对此进行研究,提出个人见解,以促进国际经济与贸易高职教育的健康发展。     

城市人力资源能力建设水平评价与比较——以大连市为例

人力资源能力是城市经济和社会发展的基本力量,也是城市核心竞争力的基本构成要素。本文在探讨人力资源能力内涵基础上,从体能、智能和技能三方面分析了大连市的人力资源能力建设水平,并运用基于层次分析赋权的综合评价方法,对大连及国内部分城市人力资源能力建设水平进行了评价比较,指出了大连市场在人力资源能力建设方面存在不足,得出了一些重要结论。     

Spatiotemporal Modeling of Asian Citrus Canker Risks: Implications for Insurance and Indemnification Fund Models

Asiatic citrus canker is a disease that poses a significant hazard to commercial citrus production. This article examines spatiotemporal models of the risks of citrus canker transmission. Models evaluate risks and are used to price annual contracts, which would pay producers a prespecified indemnity in the event that their grove is found to be infected with canker. Implications for risk management policy are discussed.     

钢丝网架轻质墙板在房屋墙体工程中的应用

文章结合湖南信托大厦高层框剪结构工程概况,介绍了钢丝网架墙体施工技术的工艺流程,对其施工要点进行了详细阐述,并对该墙体工程进行了经济效益分析。结果表明,该板是理想的轻质节能墙体材料,对取代传统的粘土砖建筑有着积极的作用。     

托达罗人口流动模型的改进——基于风险升水的视角

农村劳动力的迁移决策是一个理性的经济决策行为,迁移者在做出迁移决策时不仅仅要考虑预期的城乡收入差异,理性的迁移者还会考虑到不确定性带来的效用损失,文章用一个风险升水值来度量这种效用损失,并认为应该从托达罗模型的预期收入差异中剔除这个损失额度。因而,实际预期的城乡收入差异会比托达罗模型所表述的更小,一些风险规避的迁移者可能就会因此退出迁移。     

企业人力资本专用性投资研究——基于博弈论视角

从影响人力资本专用性投资的因素出发,构建了企业所有者与员工在人力资本专用性投资方面的博弈模型。研究发现,在信息不对称条件下,企业实施三项贴水措施,可促使企业所有者与员工双方,均能够从人力资本专用性投资中所获得的长期利益大大高于其由欺诈而获得的短期利益。这样,在促使双方博弈达到均衡的同时,亦加速了企业人力资本的专用性投资。     

宗地规模、城市类型与土地出让溢价——基于70个大中城市住宅用地出让数据的实证分析

研究目的:确定住宅用地出让溢价率水平与宗地规模之间的关系,比较不同规模和区位城市中这一关系的差异。研究方法:理论分析,面板数据分析。研究结果:总体上宗地规模对土地溢价率的影响呈现"倒U"型变化关系,不同规模和区位城市中这一关系有差异。人口介于500万～1 000万之间的特大城市中土地溢价水平受宗地规模的影响较为强烈,东部和中部城市中宗地规模大小对土地溢价水平影响显著,西部城市不显著。研究结论:地方政府在总量既定条件下调整宗地投放规模可在一定程度上调控土地溢价率。     

Migration,Unemployment, and Skill Downgrading

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.     

Job Polarization and Task‐Biased Technological Change: Evidence from Sweden, 1975–2005

In this paper, we show that between 1975 and 2005, Sweden exhibited a pattern of job polarization with expansions of the highest‐ and lowest‐paid jobs compared to middle‐wage jobs. The most popular explanation for such a pattern is the hypothesis of task‐biased technological change, where technological progress reduces the demand for routine middle‐wage jobs but increases the demand for non‐routine jobs located at the tails of the job–wage distribution. However, our estimates do not support this explanation for the 1970s and 1980s. Stronger evidence for task‐biased technological change, albeit not conclusive, is found for the 1990s and 2000s. In particular, there is both a statistically and economically significant growth of non‐routine jobs and a decline of routine jobs. However, results for wages are mixed; while task‐biased technological change cannot explain changes in between‐occupation wage differentials, it does have considerable explanatory power for changes in within‐occupation wage differentials.     

Recession,terms of trade,and immigrants

The current literature does not adequately analyze how economic crisis affects employment of immigrants in host countries. It is generally believed that immigrants lose jobs and return home during recession. We show that recession may instead help relatively unskilled immigrants when it leads to terms-of-trade improvement in the host country, and when the unskilled sector is protected by minimum wage regulations. We also derive the condition under which the income gap between natives and immigrants falls.