Despite the passing of the carbon price legislation, implementation of climate policy must confront a number of challenges. These include the uncertain nature of benefits from the policy, uncertainty surrounding the cost of abatement within Australia, uncertainties about international action and challenges in the interaction between policy instruments (for example, between the carbon price and large subsidies to renewable energy). Each of these issues implies a substantial empirical challenge for the Australian Government and the independent agencies charged with implementation. Effort should be focused on increasing the knowledge base, rather than relying on simplified scenarios from a narrow range of economic models.
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