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Articles by Stephane Straub
准确估算基础设施项目的成本：能让政府节省数十亿的工具
为什么平均值不靠谱 为了理解当地具体条件对成本的影响有多大，我们汇集了大量全球公路和铁路工程造价的数据集，涵盖各种不同地形和经济体的项目。分析结果发表在《基础设施的基础：从当前资产到未来增长》报告中，让我们能够精确地分离出诸如山地、年降雨量和城市建筑密度等各种因素对施工成本的影响。 这些发现令人关注。数据显示，实际造价会因当地具体情况而产生巨大差异，公路和铁路项目的单位造价差异也很显著。这意味着依赖全国平均值不仅会产生不准确的估算，还经常会导致严重的预算计算错误。单一的平均数值根本无法涵盖决定项目实际成本的各种条件。 这些发现促成了公路与铁路成本计算器（R2C2）的开发，这是一个网络应用程序，旨在让规划人员和政策制定者快速获得可靠的成本估算，而无需专业的工程知识或大额预算。...
Corregir los costos de la infraestructura: La herramienta que podría ahorrar miles de millones a los Gobiernos
Por qué fallan los promedios Para comprender hasta qué punto las condiciones locales influyen en los costos, recopilamos un conjunto de datos mundiales amplio sobre los costos de construcción de carreteras y vías férreas, que abarca proyectos en una gran variedad de paisajes y economías.
数字技术驱动未来的就业
肯尼亚的一名农民使用移动应用程序实时获取作物收割提示、查看市场价格，并直接与买家和贷款机构联系。印度尼西亚的一名妇女通过社交媒体接收外卖订单并安排送货。牙买加一家小旅馆的老板在预订平台上发布房间信息、在线管理客人的预订。达喀尔的一名街头小贩用智能手机把手工制造的首饰销往非洲各地。在马尼拉，一名大学生通过网上学习平台为偏远地区的高中生讲解数学。 当前传统的领薪就业模式正在迅速演变中，而上面这类故事正在成为新常态。，人们通过此类平台获得客户、管理业务并接收付款——而所有这些都可在掌中完成。 大多数人可将收到的款项直接汇入他们的金融账户，这为储蓄和保险等其他金融产品打开了大门，也使政府可以以创新方式发放社会转移支付。 2025年《全球金融包容性指数》报告（Global Findex 2025）中的新数据揭示了诸多此类关于科技与金融包容的发展趋势，并跟踪了各国在多大程度上为抓住数字化就业带来的机遇做好了准备。 网络连接：机会的基石...
Digital technology is driving the future of jobs
A farmer in Kenya uses mobile apps to get real-time harvesting tips, check market prices, and connect directly with buyers and lenders. A woman in Indonesia takes meal orders and arranges deliveries through social media. A small innkeeper in Jamaica lists rooms on booking platforms and manages reservations online. A street vendor in Dakar sells handmade jewelry across Africa using just her smartphone.
L’avenir de l’emploi passe par les technologies numériques
Au Kenya, un agriculteur utilise des applications mobiles pour obtenir en temps réel des conseils sur les récoltes, consulter les prix du marché et entrer directement en contact avec des acheteurs et des banques. En Indonésie, une entrepreneuse reçoit des commandes de repas et organise les livraisons via les réseaux sociaux. En Jamaïque, un petit hôtelier propose ses chambres sur des plateformes de réservation en ligne.
La tecnología digital impulsa el futuro del empleo
En Kenya, un agricultor utiliza aplicaciones móviles para obtener información en tiempo real sobre las cosechas, consultar los precios del mercado y conectarse directamente con compradores y prestamistas. En Indonesia, una mujer toma pedidos de comida y organiza entregas a domicilio a través de las redes sociales. En Jamaica, un pequeño posadero publica habitaciones en plataformas de reservaciones, que gestiona en línea.
Infrastructure, economics, and a sustainable future: A Chief Economist's perspective
In the 1990s, I embarked on a journey that took me from the classrooms of Paris to the dusty countryside of Paraguay. Little did I know then that my diverse experiences, from peddling goods door-to-door to advising governments, would shape my role as an economist specializing in infrastructure and development. Now, as the Chief Economist for Infrastructure at the World Bank, I stand at the intersection of a complex global landscape.
Economic development unlocked: a meta-analysis of infrastructure's impact
In the policy arena, the debate on the impact of infrastructure investments on resilient and inclusive growth has flared up as the world economy attempts to recover from the COVID-19 pandemic. Yet, several important questions remain to be addressed. What is the most efficient way to extend access in various infrastructure sectors? Does the initial level of development of a country matter?
The Impact of Public-Private Partnerships (PPPs) in Infrastructure, Health, and Education
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When do public-private partnerships work well?
What conditions support well-functioning public-private partnerships (PPPs)? Toulouse School of Economics Professor Stéphane Straub has done substantial research on this topic, which he shares in this episode of the Tell Me How podcast—produced by the World Bank's Infrastructure Global Practice. Stéphane works on issues of infrastructure, procurement, and more generally institutional development in the context of developing countries.
Pooled procurement of drugs in low- and middle-income countries can
Pooled procurement of drugs in low- and middle-income countries can lower prices and improve access Pierre Dubois, Yassine Lefouili, Stephane Straub 30 January 2021 Patients in the developing world often face prices for essential medicines far in excess of international reference levels, even if those drugs have lost patent protection.
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