Trading into and out of trouble Australian water allocation & trading experience Zaragoza, 29 July 2008 Water Economics and Financing Prof Mike Young,

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Presentation transcript:

Trading into and out of trouble Australian water allocation & trading experience Zaragoza, 29 July 2008 Water Economics and Financing Prof Mike Young, The University of Adelaide Water Markets in Integrated Water Management

Water Tradeable RightsDelivery Price Land Title with Water Licence attached Land Entitlement Shares in Perpetuity Bank-like Allocations Use licences with limits & obligations National Competition Policy 1993/94 National Water Initiative 2004 Progressive unbundling Markets rather than governments as the integrator

Scarcity and Trading  Source: Murray Darling Basin Commission, Trading has enabled adoption of new technology and “greenfield” development

Benefits of trading Psi-Delta 2007 Bjornlund and Rossini 2007

Costs of not getting fundamentals right Australia introduced trading without getting the foundations right Markets reveal flaws –Trading has increased the costs of fixing system flaws Revealed over-allocation by increasing use Revealed administrative reluctance to keep the system in balance Trade now seen as a way to reduce the costs of structural adjustment

Insufficient planning for less water - 1% - 3%

Volume of Water in the System Indicative template for sharing and allocating water

Unbundling framework ScalePolicy Objective Distributive Equity Economic Efficiency Environmental Externalities System-wide Management (Strategic Instruments) Sharing regimeSeasonal allocation of water to pools Trading Protocols Catchment Plans River flow and quality protocols Individual users (Market Instruments) Individual entitlements Individual allocations Water-use approvals

Individual entitlements 1.Issue shares not volumetric entitlements 2.Validate registers early 3.Ensure register compatibility 4.Don’t deepen droughts –Allow individual users to manage inter- seasonal risk –Allow carry-forward of allocations and give market access to storage capacity

System wide planning & management 1.Install meters and convert from area to volumetric allocation systems (asap) 2.Give the environment a share don’t expect communities to plan for adverse climate shifts 3.Account for all forms water use – especially the unmeterable Forests, farm dams, return flows 4.Manage groundwater inter-connectivity –When use of one increases the other must decrease

Efficient supply and delivery 1.Don’t subsidize supply and infrastructure provision –Charge at marginal cost of delivery – Transfer ownership of the supply system to entitlement holders. 2.Use separate instruments to manage externalities Reward users who reduce externalities

Administrative separation - Murrumbidgee  Source: After Young et al Separation of policy from water supply has lowed costs. Allow irrigators to own and run their supply systems

Efficient market design 1.Removal of administrate impediments to trade difficult but necessary. 2.Allocate entitlements to individuals not water supply companies. 3.Announcement policies must attend to equity and fairness. 4.Make trade information available Daily trade volume and price 5.Develop broking industry

Implementation sequence (Will take a decade) 1.Vest ownership of water in national as whole Establish government right to manage and vary allocations at the system level 2.Issue “unbundled” entitlements to defined parts of each system 3.Install meters and validate registers 4.Convert area entitlements to volumetric entitlements as basis for determining entitlement shares 5.Establish credible accounting and enforcement systems 6.Develop protocols and trial trading 7.Let the market drive innovation

Concluding Comments 1.Develop a principled reform agenda and start the sequence 2.Get the foundations for trade right 3.See trading as a way of facilitating change in a changing world not as a panacea.

Contact: Prof Mike Young Water Economics and Management Phone: Mobile: Download our reports and subscribe to Jim McColl and my droplets at

Water Use-Efficiency in Australia  Australian irrigators have increased water use efficiency significantly – water use per hectare down by 50% –Area under irrigation only reduced by 6%  This has been driven by –Low rates of agricultural protection –Water reform - since 1994 Improved entitlement and risk specification Water trading Separation of policy from delivery –Impact of prolonged drought since 2001

National Water Reform 1.Recognition of Scarcity – freeze on new licences 2.Separation of water title from land and trading 3.Administrative separation 4.Full cost pricing (Lower Bound) 5.Formal Planning 6.Reduced allocations per entitlement

Trends in Rice productivity, MIA Source: Modified from Humphreys and Robinson (2003). Over last 25 years rice yields have risen from 5 to 10 tonnes per hectare

Annualised delivery costs, Pyramid Boort Irrigation Area Source: Goulburn Murray Irrigation, pers. com. Move away from postage stamp pricing or transfer pod management to local farmers

Water Sharing Plans Have a statutory legal basis Assign climate change risk to irrigators Forced community engagement in planning process But rarely plan for adverse climate change –River Murray Plans reduce env. allocations 83% & users 17% Have not succeeded in restoring river health as fast as now seems necessary