Broadbanding the Air: Digital Infrastructure, Transboundary Pollution Spillovers, and Firm Green Innovation in Urban China

1. OverviewThis repository contains replication code and cleaned datasets for the manuscript *Broadbanding the Air: Digital Infrastructure, Transboundary Pollution Spillovers, and Firm Green Innovation in Urban China*.The empirical analysis uses **city-level panel data and firm-level panel data** to examine the effect of digital infrastructure on firm green innovation with cross-boundary pollution spillover. 2. Folder Structure- `code/`: All Stata `.do` and Python `.py` scripts for data cleaning, baseline regression, heterogeneity, robustness checks and spatial analysis.- `data/`: Cleaned analysis-ready panel datasets (Stata `.dta` and Excel `.xls`), plus codebook.- `outputs/`: Generated tables, figures and regression log files.