Estimating timber depreciation in the Brazilian Amazon

Ronaldo Seroa Da Motta and Claudio Ferraz

Environment and Development Economics, 2000, vol. 5, issue 1, 129-142

Abstract: This study estimates depreciation values for timber extraction activities in the Brazilian Amazon for 1990 and 1995. A generalized approach following Vincent and Hartwick (1997) is applied enabling us to calculate depreciation based on all three methods proposed in the literature. We also calculate Hotelling rents for timber as a whole and for mahogany alone. Apart from the expected differences in the results for each method, the results show substantially low depreciation estimates as a direct consequence of the high timber stocks and scarcity perception by economic agents due to the lack of property rights in the region. For mahogany alone we obtain substantially higher values. We conclude that if scarcity rents are not fully perceived, or they really do not exist in such huge supply conditions as our estimates may suggest, charges related to other forest services are fundamental to make environmental accounting an useful tool for planning in the Amazonian context.

Date: 2000
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Working Paper: Estimating Timber Depreciation in the Brazilian Amazon (2015)
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