Question

 

Illustrate the Marginal External Cost of deforestation with the help of a case study.

30 May 2025
Answer :
Word Count : 1319
In ecological economics, the concept of Marginal External Cost (MEC) is crucial for understanding how environmental degradation caused by economic activities imposes costs on third parties not directly involved in the activity. Deforestation, as a major environmental issue, provides a compelling example to study MEC. MEC arises when an additional unit of economic activity (such as felling one more hectare of forest) imposes costs—like loss of ecosystem services, biodiversity, or climate regulation—on others. These costs are not reflected in the market price of timber or agricultural land. Hence, the true societal cost of deforestation is underestimated by private decision-makers. To illustrate the concept of MEC in deforestation, the case of deforestation in the Amazon Rainforest in Brazil serves as an ideal and well-documented example. The Amazon Rainforest is often referred to as the “lungs of the Earth” due to its role in carbon sequestration and global climate regulation. However, despite its immense ecological value, large portions of the Amazon have been cleared for agriculture, cattle ranching, and logging, leading to significant external costs borne by society at large. Understanding Marginal External Cost in the Context of Deforestation Marginal External Cost refers to the additional cost imposed on society by one more unit of a polluting activity. In the context of deforestation, MEC includes a wide range of negative externalities: 1. Loss of Biodiversity: Each additional hectare of forest cleared may destroy habitats, leading to the extinction of species, which are a vital part of global ecological balance. 2. Climate Change: Forests act as carbon sinks. When they are cleared, not only is their __________ ____ __________ __________ _______ ____ __________.
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