📈 economics

Structural Alignment of Fiscal Policy and Recipe Reformulation: A Critical Analysis of Nigeria’s 2026 Sugar-Sweetened Beverage Tax Overhaul

本文认为,尼日利亚将于2026年转向从价计征含糖饮料税的做法在公共卫生目标方面存在结构性缺陷,因为该政策未能激励配方改良,且被高通胀所掩盖,并绕过了非正规市场,因此有必要向分级、基于克数的体积税模型转型。

Christopher Enasor Fregene, Dike Bevis Ojji, Abimbola Opeyemi Adgboye2026-07-07
📈 economics

Security, Privacy and Regulatory Governance in Digital Payments. A Systematic Review and Cross-Architecture Framework for PIX, Blockchain, and Central Bank Digital Currencies

本研究采用系统综述法及所提出的数字支付治理框架(DPGF),旨在比较 PIX、公有链与央行数字货币(CBDCs)在安全性、隐私性和合规性方面的权衡,并最终确定具有选择性披露特征的混合架构是下一代支付治理的最佳方向。

Nilton Gomes Furtado, Julia Vasconcelos Furtado2026-07-07