Papers by Thilak Mallawaarachchi
Economic Analysis and Policy
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Australian Journal of Agricultural and Resource Economics, 2016
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... agreements Rodney Beard Groupe Sup de Co-CEREGE La Rochelle France ... emissions are insuffic... more ... agreements Rodney Beard Groupe Sup de Co-CEREGE La Rochelle France ... emissions are insufficient to induce environmental damage in the sense of global warming. We now proceed as follows: first, we determine the Pareto efficient allocation in each of ...
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... Climate Change, Water Availability and Adaptation in the Murray Darling Basin.Adamson, David,... more ... Climate Change, Water Availability and Adaptation in the Murray Darling Basin.Adamson, David, Mallawaarachchi, Thilak and Quiggin, John (2006). Climate Change, Water Availability and Adaptation in the Murray Darling Basin. ...
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The Murray-Darling Basin comprises over 1 million km2; it lies within four states and one territo... more The Murray-Darling Basin comprises over 1 million km2; it lies within four states and one territory; and over 12, 800 GL of irrigation water is used to produce over 40% of the nation's gross value of agricultural production. This production is used by a diverse collection of some-times mutually exclusive commodities (e.g. pasture; stone fruit; grapes; cotton and field crops). The supply of water for irrigation is subject to climatic and policy uncertainty. Variable inflows mean that water property rights do not provide a guaranteed supply. With increasing public scrutiny and environmental issues facing irrigators, greater pressure is being placed on this finite resource. The uncertainty of the water supply, water quality (salinity), combined with where water is utilised, while attempting to maximising return for investment makes for an interesting research field. The utilisation and comparison of a GAMS and Excel based modelling approach has been used to ask: where should we allocate water?; amongst what commodities?; and how does this affect both the quantity of water and the quality of water along the Murray-Darling river system?
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Traditionally, benefits of common property arrangements arose from complementarity in resource us... more Traditionally, benefits of common property arrangements arose from complementarity in resource use, which permitted multiple uses for several users. Today, common property resources (CPRs) represent quasi-public goods, featuring increasing rivalry in consumption. As the domain of uses widens and number of users rises, potentially competitive activity increases, leading to greater conflicts. Non-excludability of benefits and rivalry in consumption of the
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UQ eSpace, 2000
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Threats to dugong survival include direct mortality from boat strikes, drowning in nets and loss ... more Threats to dugong survival include direct mortality from boat strikes, drowning in nets and loss of habitat. Dugong sanctuaries were introduced in 1998 to protect declining dugong numbers by recognising important seagrass habitat areas. Nonpoint source pollutants such as dissolved nutrients, pesticides and suspended sediment have the potential to affect the species composition of seagrass and the extent of seagrass beds that support dugong. We explore the nature of pollution costs to society and their implications on land uses in catchments adjacent to these protected areas. Policy options available to mitigate social externalities are examined recognising the influence of market failure.
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Review of Marketing and Agricultural Economics, Feb 1, 1992
... Water Saving Technology Investment in Water Saving Technology on Horticultural Farms* Thilak ... more ... Water Saving Technology Investment in Water Saving Technology on Horticultural Farms* Thilak Mallawaarachchi, Nigel Hall and Brian Phillips" A ... saving technology investigated in this paper involves a shift from the high water consum-ing conventional furrow irrigation system ...
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Papers by Thilak Mallawaarachchi