Does foreign direct investment make countries cleaner or dirtier? It is one of the oldest questions in environmental economics, and decades of research have produced no consensus. Proponents of the “pollution halo” hypothesis argue that multinational firms export superior technologies and higher
```
Members Only
Login or create an account to continue
This article is available to registered BusinessDay readers. Please login if you already have an account, or create a new account to continue reading.
New to BusinessDay? Register now and start reading.
```
