- The Secret Money MarketIngo Walter
- Regional environmental policySiebert, Horst, Ingo Walter et al.
- International economics of pollutionIngo Walter
- Global competition in financial servicesIngo Walter
- $ecret mon£yIngo Walter
- International economicsIngo Walter
- Political economy of financial integration in EuropeJonathan Story, Ingo Walter
- Deregulating Wall StreetIngo Walter
- Secret moneyIngo Walter
