[go: up one dir, main page]
More Web Proxy on the site http://driver.im/
IDEAS home Printed from https://ideas.repec.org/p/ags/aare97/136836.html
   My bibliography  Save this paper

Modelling the Economic Impact of Environmental Flow Policies on the Macquarie Regional Economy

Author

Listed:
  • Yatawara, Tissa
  • Millward-Brown, Ian
Abstract
New South Wales Government's 1995 water reform proposals included several environmental flow policies aimed at improving water quality and the river ecosystems. In evaluating these policies a number of different river flow objectives were considered some of which resulted in a reduction in the water availability for irrigated agriculture. This paper discusses the methodology and modelling framework adopted to analyze the economic impacts of environmental flow policies on the Macquarie regional economy of NSW. An economic model (Catchment Economic Impact Model) was developed to estimate these impacts. This model combines hydrology, simulation, spreadsheet and linear programming applications. The objective function of the linear programming model is to maximize the total gross margins for the region. Constraints include prices, costs, land, labour, and water availability. The model provides economic impacts in the format of descriptive statistics of total gross margin, total irrigated regional gross margin, present value of total regional gross margin over a 30 year period and changes in crop areas under different environmental flow objectives. Four different river flow objectives represented by six hydrology scenarios were considered in this analysis. The results of the preliminary analysis of these objectives are also discussed in this paper.

Suggested Citation

  • Yatawara, Tissa & Millward-Brown, Ian, 1997. "Modelling the Economic Impact of Environmental Flow Policies on the Macquarie Regional Economy," 1997 Conference (41st), January 22-24, 1997, Gold Coast, Australia 136836, Australian Agricultural and Resource Economics Society.
  • Handle: RePEc:ags:aare97:136836
    DOI: 10.22004/ag.econ.136836
    as

    Download full text from publisher

    File URL: https://ageconsearch.umn.edu/record/136836/files/fiche015-report126.pdf
    Download Restriction: no

    File URL: https://libkey.io/10.22004/ag.econ.136836?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    More about this item

    Keywords

    Environmental Economics and Policy;

    Statistics

    Access and download statistics

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:ags:aare97:136836. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    We have no bibliographic references for this item. You can help adding them by using this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: AgEcon Search (email available below). General contact details of provider: https://edirc.repec.org/data/aaresea.html .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.