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Valuation of Carbon Forestry and the New Zealand Emissions Trading Scheme: A Real Options Approach Using the Binomial Tree Method

Under the New Zealand Emissions Trading Scheme, new forests planted on/after 1st January 1990 can earn carbon credits. These credits have to be repaid upon forest harvest. This paper analyses the effects of this carbon scheme on the valuation of bareland, on which radiata pine is to be planted. NPV/LEV and Real Options methods are employed, assuming stochastic timber and carbon prices. Valuation increases significantly and rotation age is likely to be lengthened. We include a scenario analysis of potential implications of rotation age lengthening on carbon stock management in New Zealand.