Replication package for "No free ESG lunch? Asset-pricing evidence from a return-based meta-analysis"

This repository contains the full replication package for the article “No free ESG lunch? Asset-pricing evidence from a return-based meta-analysis.” The package includes harmonized datasets, R and Python scripts, result tables, figures, and diagnostic outputs required to fully reproduce all results reported in the manuscript. All analyses are fully scripted and can be reproduced via a one-click execution workflow. The core meta-analytic sample consists of k = 39 independent annualized return differences extracted from 85 peer-reviewed empirical studies published between 2014 and 2025. The repository also includes robustness checks, validation reports, and a detailed file manifest documenting all contents. This replication package is provided for transparency and reproducibility purposes and contains no proprietary or restricted data.