Impact of communication and information on a complex heterogeneous closed water catchment environment
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This paper uses an experimental design that combines the use of an environmental levy with community involvement in the formation of group agreements and strategies to explore the impact of information and communication on water use in a complex heterogeneous environment. Participants in the experiments acted as farmers faced with monthly water demands, uncertain rainfall, possible crop loss and the possibility of trading in water entitlements. The treatments included (a) no information on environmental consequences of extraction, (b) the provision of monthly aggregate environmental information, (c) the provision of monthly aggregate extraction information and a forum for discussion, and (d) the public provision of individual extraction information and a forum for discussion giving rise to potential verbal peer sanctions. To account for the impact of trade the treatments were blocked into three market types (i) no trade, (ii) open and (iii) closed call auctions. The cost to the community of altering the natural flow regime to meet extractive demand was socialised through the imposition of an environmental levy equally imposed on all players. 1 The financial support of the Cooperative Research Centre for Catchment Hydrology and Land and Water Australia is gratefully acknowledged. The authors would also like to thank the research assistants, Nadine Brodeur and Paul Locke for their work on the project.
Water Resources Research
Copyright 2004 American Geophysical Union. Reproduced in accordance with the copyright policy of the publisher. This journal is available online: use hypertext links.