Replication_ESGUI_Green_Bonds_Studyv.4

This replication package provides all data, code, and instructions required to reproduce the empirical results of the above-mentioned research paper. The study employs a wavelet-based quantile-on-quantile (QQ) regression framework to analyze the multi-scale, asymmetric, and time-varying relationship between ESG-based sustainability uncertainty and global green bond market returns. This package is designed to ensure transparency and facilitate independent verification of the statistical findings.本复现套件包含复现上述学术论文实证结果所需的全部数据、代码与操作指南。本研究采用基于小波变换的分位数对分位数回归（quantile-on-quantile，QQ）框架，分析基于环境、社会和公司治理（Environmental, Social, Governance，简称ESG）的可持续性不确定性与全球绿色债券市场收益率之间的多尺度、非对称及时变关联关系。本套件旨在保障研究透明度，并助力独立验证其统计研究结论。