中等职业教育财政投入现状分析与对策研究——以河北省为例

文章通过发放调查问卷，归纳、整理“十二五”期间的财务会计报表对河北省中等职业教育财政投入状况进行了分析，揭示了存在的主要问题，提出了改进中等职业教育财政投入机制的对策和建议。     

考虑时效与公平性的震后应急物资动态配送优化研究

大规模地震后应急物资的高效保障是应急救援有效开展的必要前提。震后应急物资运输与配送包括从区域储备仓库和外围物资集散地运输到区域应急配送中心、由区域应急配送中心配送到各个受灾点两个阶段。应急物资保障具有持续时间长、需求紧迫性强和物资相对短缺等特点。本文以应急物资保障时效性与分配公平性为目标，建立了考虑多种运输方式、多时段动态的应急物资配送中心选址与运输配送路径优化的多目标规划模型，并基于此模型设计了一种带精英策略的非支配排序的遗传算法，以九寨沟地区地震灾难情景对模型进行实证研究，验证了模型和算法的有效性，以期为震后应急物资保障提供理论指导与决策支持。     

对农村土地承包经营权具体期限设置的思考 ——基于“轮+期限” 与“适当调整” 法律适宜性的探讨

土地承包经营权是一种有期限的新型物权,合理、恰当地设置其期限,可以稳定农民与土地的关系,进而稳定土地经营权使用者的未来土地收益,有利于规范农村土地流转市场秩序,稳定地实现农民的土地财产性收益。新通过的《农村土地承包法》修订草案对耕地承包期届满后作出“再延长三十年”的修订,需要警惕落入形式化的“长久不变”而掩盖风险,因此要反思“自动续期三十年”背后的原委及可能的调整。从农村土地承包关系及其期限设置的政策与法律变迁着手,论证了“长久不变”并不等于没有期限以及设置“每轮”的政策合理性,并阐述了实践中土地流转需要的差异性、变动性与土地承包经营权期限设置的不匹配困境，凸显法律“适当调整”的必要性。将“长久不变”由“土地关系”的调整转向“土地利益”的调整,土地利益协调由形式公平转向实质公平,这直接体现出“适当调整”以均衡土地利益关系来回应“长久不变”的实质性与精准性。最后，从确保我国农村土地承包关系实质“长久不变”的层面提出了“确保大稳定”“预期小调整”的优化路径。     

小学教育专业本科生专业认同与学习投入的关系研究

研究探讨小学教育专业本科学生专业认同现状和学习投入现状,并探究专业认同与学习投入之间的关系。采用专业认同量表和学习投入量表以344名1-4年级的学生为研究对象进行调查,研究发现,小学教育专业本科生学习投入和专业认同水平均处于中等偏上,根据回归分析结果显示,小学教育专业本科生专业认同中认知性、情感性、行为性和适切性能够正向预测学习投入。建议通过优化学习环境,加强专业教育;创造学术氛围,落实专业行为;重视群际差异,因材施教等方面来促进学习投入。     

输入模态对认知负荷及听力成绩的影响

探讨了输入模态对学生认知负荷和听力理解的影响。90名来自两个平行班的大学英语学生被平均分为三个小组参加实验:文本输入组,声音输入组,文本和声音输入组。文本组的听力题目用文本呈现,声音组的听力题目仅用声音呈现,文本和声音组的题目则是采用文本和声音双重模态呈现。认知负荷量表结果和听力测试结果显示不同模态的听力输入形式对听力成绩有显著影响:文本组学生的成绩最高,其次是文本加音频组,音频输入组的成绩最低。认知负荷量表结果显示文本组的认知负荷最低,然后是文本加音频组,音频输入组的认知负荷最高。认知负荷与听力成绩的相关分析显示负荷程度与听力成绩呈负相关。研究结果对听力教学有较好的借鉴作用。     

Continuity of f-projections and applications to the iterative proportional fitting procedure*

This paper proves continuity of f-projections and the continuous dependence of the limit matrix of the iterative proportional fitting procedure (IPF procedure) on the given matrix as well as the given marginals under certain regularity constraints. For finite spaces, the concept of f-projections of finite measures on a compact and convex set is introduced and continuity of f-projections is proven. This result is applied to the IPF procedure. Given a nonnegative matrix as well as row and column marginals the IPF procedure generates a sequence of matrices, called the IPF sequence, by alternately fitting rows and columns to match their respective marginals. The procedure is equivalent to cyclic f-projections. If the IPF sequence converges, the application of the continuity of f-projections yields the continuous dependence of the limit matrix on the given matrix. By generalized convex programming and under some constraints, it is shown that the limit matrix of the IPF sequence continuously depends not only on the given matrix but also on the marginals.     

Effective tax rates and firm size in Ethiopia

The literature on Effective Tax Rates (ETRs) focuses on high‐ and middle‐income countries, but there is very little evidence on low‐income countries. This article addresses this gap with new evidence from Ethiopia. We investigate corporate ETRs in Ethiopia and whether the distributional effects they have in practice are in line with the corporate tax policy design. We calculate ETRs in line with the literature in this field, using profit tax at the numerator and gross profit at the denominator. We then analyse ETRs not only using panel data, focusing particularly on their relation to firm size, but also including other explanatory variables. Our main result is that, despite a proportional tax rate, small firms face a higher effective tax burden than larger firms, while middle‐sized firms face the lowest burden of all. We highlight that tax systems can have practical implications that differ largely from their policy design, due to compliance costs and imperfect enforcement. Measures to reduce compliance costs for small firms are particularly recommended.     

数字经济发展的评估指标体系研究——基于投入产出视角

发展数字经济是我国重要国策，对其评估指标体系的研究受到多方关注，但目前我国数字经济测度仅仅局限于数字化产业和数字化创新，尚未形成一个完整、系统的数字经济评价指标体系。文章在引入治理环境的基础上，基于经济学上的投入产出视角探讨我国数字经济发展的有效测度方法，在研究数字经济的发展效应中新添了数字化治理和数字知识型人才供给两项指标，构建了一套基于投入产出视角的数字经济发展评价指标体系，为衡量数字经济发展提供了一个系统的体系。为提升数字治理现代化水平，更好发挥数字经济在促进经济高质量发展中的作用提供了实践意义和政策参考。     

Myths and realities about input subsidies in sub‐Saharan Africa

Using a recent public expenditure dataset, this article proposes a ‘reality check’ of the level and composition of input subsidies in nine African countries between 2006 and 2013. Results show that input subsidies (1) received close to 35% of agricultural‐specific expenditure on average and (2) cover a variety of interventions, including investments in capital, such as on‐farm irrigation, and in on‐farm services, such as inspection or training. Further, the figures show that input subsidies tended to become entrenched in agricultural budgets over time, leading to sub‐optimal execution rates, and were primarily funded by the national taxpayer, while donors invested more in public goods. Findings confirm that input subsidies crowded out other spending categories likely to be more supportive of long‐term agricultural development objectives. The article concludes that the political economy of input subsidies should be directed to making more concrete efforts to attain a better balance of public expenditure on agriculture. Furthermore, policy‐makers should aim to increase the efficiency and policy coherence of input subsidies, since merely abolishing them is likely to be unfeasible in the short term.     

政府支出对医疗服务健康公平影响的比较和启示

医疗服务公平和人民的健康是各国卫生系统向其国家居民提供医疗服务所应实现的两个重要目标。但以英美日为例的发达国家根据世界卫生统计年鉴中的医疗服务公平性排名确有明显差距，因此，高收入和高政府医疗卫生支出与医疗卫生服务公平和健康公平性并没有必然关系。本文通过比较分析美日英国的政府间医疗卫生支出责任划分的结构发现高政府医疗卫生支出比例是提高医疗服务筹资公平性的前提，中央承担社会医疗保险责任是实现医疗服务筹资公平性的保证，政府特别是中央政府出资的长期护理有助于提高国民健康水平，地方政府的参与更有助于提高一国医疗系统机构数量特别是医院的数量。