1. Department of Economics; Massachusetts Institute of Technology; Cambridge Massachusetts USA
2. Israel-Water Engineers Association; Tel Aviv Israel
3. Department of Economics; Tel Aviv University; Ramat Aviv Israel
4. Regional Office for Integrated Development; Amman Jordan
5. ROID Development and Engineering; Amman Jordan
6. Stockholm Environment Institute-Boston; Boston Massachusetts USA
7. Water and Environmental Studies Center; Al-Najah National University; Nablus Palestine
8. Stephen and Nancy Grand Water Research Institute; Technion-Israel Institute of Technology; Haifa Israel
9. Delft Hydraulics; The Hague Netherlands