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王姣娥：中国高速铁路网络的发展过程、格局及空间效应评价

高速铁路作为现代交通基础设施的重要组成部分，其建设产生时空收敛效果，并进一步对生产要素流动、城市空间扩张、区域空间结构重构产生重要影响。文章在分析中国高速铁路发展过程、模式的基础上，剖析了其空间格局特征及与区域人口和经济的耦合关系；同时，借助 ArcGIS 方法从空间服务水平、时空收敛效应和中心城市交通圈等角度，探讨高速铁路网络的空间效应。结果显示：高速铁路的空间扩展过程表现出独特的“核心― 核心”至“核心―网络”模式，与城市群的空间分布具有较好的耦合性；高速铁路的空间格局与中国城市人口、...

2024-08-29 36 5.85MB 8页
Portulans Institute波图兰研究所：产业创新指数（英文版）

Innovation isn't just about research papers and R&D budgets anymore; it's the game-changer driving economic progress and fierce competitiveness in specific industries. The definition of innovation has expanded beyond the confines of R&...

2024-08-28 50 342.71KB 9页
美联储：新冠肺炎疫情与家庭经济健康：来自消费者金融调查的证据（英文版）

The COVID-19 pandemic caused severe disruptions to the U.S. labor market and economic activity. We establish connections between family experiences of the pandemic, their income under normal conditions, and their later economic well-being using the 2...

2024-08-28 101 264.12KB 28页
美联储：超边际借款人与货币政策的抵押贷款支付渠道（英文版）

Despite the widespread use of fixed-rate mortgages in the United States, I show that monetary policy is effectively passed through to aggregate outstanding mortgage debt service. Using credit bureau, lender, and servicer data on mortgage payments and...

2024-08-28 46 478.85KB 45页
世界银行：在没有消费数据的情况下估算贫困指标：探索性分析（英文版）

Accurate poverty measurement relies on household consumption data, but such data are often inadequate, outdated, or display inconsistencies over time in poorer countries. To address these data challenges, this paper employs survey-to-survey imputatio...

2024-08-28 66 2.03MB 79页
世界银行：战争对乌克兰农业部门的微观影响：随着时间的推移区分地方和国家影响（英文版）

This paper uses remotely sensed and farm-level data to assess the micro-level impacts of the war in Ukraine. Remotely sensed, high-resolution data on areas of war-induced agricultural field damage in different periods are combined with crop cover dat...

2024-08-28 127 2.35MB 43页
世界银行：坦桑尼亚的贫困衡量：日记和回忆方法在食品消费数据收集中的比较（英文版）

Consumption data from household surveys continue to be the main source for poverty and inequality statistics in lowand middle-income countries. Although recent research has demonstrated that the choice of diary- versus recall-based methods for consum...

2024-08-28 64 794.91KB 46页
世界银行：速率周期（英文版）

We analyse cycles in policy interest rates in 24 advanced economies over 1970- 2024, combining a new application of business cycle methodology with rich timeseries decompositions of the shocks driving rate movements. “Rate cycles” have gradually evol...

2024-08-28 125 2.28MB 90页
世界银行：男人真的比女人更有社会情感技能吗？坦桑尼亚青年的证据（英文版）

Individuals’ socio-emotional skills (SES), and their perceptions of their skill levels, matter for labor market outcomes and other welfare outcomes. Men appear to have higher levels of SES than women, but this gender gap is typically documented in se...

2024-08-28 112 1.06MB 54页
世界银行：非洲保护区的私人管理改善了野生动物和旅游业的成果，但在冲突地区存在安全问题（英文版）

Protected areas can conserve wildlife and benefit people when managed effectively. African governments increasingly delegate the management of protected areas to private, non-governmental organizations, hoping that private organizations’ significant ...

2024-08-28 131 2.65MB 68页
世界银行：公共投资质量及其对主权风险和债务可持续性的影响（英文版）

This paper introduces a novel index to measure public investment quality, utilizing the World Bank’s investment project performance data from 120 countries over 2000– 21. After detailing the construction of the index, the paper examines how public in...

2024-08-28 103 1.87MB 50页
世界银行：衡量社会可持续性：多维方法（英文版）

While the concept of social sustainability is growing in salience, there is little consensus on how to measure it. This lack of an accepted measure makes it harder to monitor progress toward sustainable development goals, honor political commitments ...

2024-08-28 110 2.47MB 69页
世界银行：出口和劳动力市场结果：供应链视角-来自越南的证据（英文版）

Are changes in the labor market in response to changes in exports contained specifically within exporting industries, or do they disperse throughout the economy through supply chain linkages? This paper studies the case of Viet Nam, an example of a s...

2024-08-28 137 507.06KB 49页
WHO世界卫生组织：2024年天花和天花病毒（正痘病毒）：世卫组织立场文件（英文版）

In accordance with its mandate to provide normative guidance to Member States on health policy matters, WHO issues a series of regularly updated position papers on vaccines and combinations of vaccines against diseases that have an international publ...

2024-08-27 226 486.75KB 28页
世界银行：2024暴力、脆弱和被迫流离失所背景下的安全网：布基纳法索和喀麦隆的案例（英文版）

It is estimated that by 2030 nearly 60 percent of the world's extreme poor will live in fragile, conflict or violence (FCV) affected countries. 3 There are 39 countries currently classified as fragile, whether due to institutional and social frag...

2024-08-26 181 1.12MB 73页
世界银行：到底是谁在使用生成式人工智能（英文版）

Leveraging unconventional data, including website traffic data and Google Trends, this paper unveils the real-time usage patterns of generative artificial intelligence tools by individuals across countries. The paper also examines coun try-level f...

2024-08-26 151 6.03MB 58页
Rand兰德：2024美国大规模人工智能损害的侵权责任-面向开发者和决策者的入门指南（英文版）

Leading artificial intelligence (AI) developers and researchers, as well as government officials and policymakers, are actively investigating and debating the harms that advanced AI systems might cause, including harms on a large scale.1 In the futur...

2024-08-23 141 392.43KB 65页
Rand兰德：内容专家和方法论专家之间的团队建设过程-紧急医疗服务研究调查启动会议示例（英文版）

Community-engaged research engages the community in a collaborative manner to improve the local setting and has been increasingly applied to health services research. These complex studies require collaboration and team building among clinical expert...

2024-08-23 47 289.79KB 11页
Rand兰德：提高心脏骤停院前救治效果（EPOC）研究-美国密歇根州序贯混合方法研究方案（英文版）

Introduction Out-of-hospital cardiac arrest (OHCA) is a common, life-threatening event encountered routinely by first responders, including police, fire and emergency medical services (EMS). Current literature suggests that there is significant regio...

2024-08-23 36 1.72MB 9页
世界银行：衡量立法可预测性：约旦王国的案例及其对中东和北非地区的影响（英文版）

Laws and regulations represent a central tool for governments to achieve policy objectives, and they also represent a fundamental condition for making desirable individual and business decisions. While laws and regulations regularly have to be adapte...

2024-08-22 103 4.61MB 56页

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