托达罗发展经济学todarosm_350944_ppt17(10).ppt

Copyright 2006 Pearson Addison-Wesley. All rights reserved.,Chapter 10,The Environment and Development,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-2,Economics and the Environment,Environmental issues affect, and are affected by, economic development Poverty and ignorance may lead to non-sustainable use of environmental resources,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-3,Environment and Development: The Basic Issues,Sustainable development and environmental accounting,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-4,Environment and Development: The Basic Issues,Sustainable net national product is:,Where NNI* is sustainable national income GNI is Gross national income Dm is the depreciation of manufactured capital assets Dn is the depreciation of environmental capital,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-5,Environment and Development: The Basic Issues,Alternatively, sustainable net national product is:,Where NNI*, GNI, Dm, and Dn are as before R is expenditure needed to restore environmental capital A is expenditure required to avert destruction of environmental capital,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-6,Environment and Development: The Basic Issues,Sustainable development and environmental accounting Population, resources, and the environment Poverty and the environment Growth versus the environment Rural development and the environment,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-7,Environment and Development: The Basic Issues (contd),Urban development and the environment The global environment,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-8,The Scope of Environmental Degradation: A Brief Statistical Review,Environmental problems have consequences both for health and productivity,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-9,Table 10.1,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-10,Table 10.1 (contd),Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-11,Rural Development and the Environment: A Tale of Two Villages,Representative African village Representative South American village,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-12,Traditional Economic Models of the Environment,Privately owned resources,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-13,Figure 10.1,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-14,Figure 10.2,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-15,Traditional Economic Models of the Environment,Privately owned resources Common property resources,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-16,Figure 10.3,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-17,Traditional Economic Models of the Environment,Privately owned resources Common property resources Public goods and bads: regional environmental degradation and the free-rider problem Limitations of the public goods framework,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-18,Figure 10.4,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-19,Urban Development and the Environment,The ecology of urban slums Industrialization and urban air pollution,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-20,Figure 10.5,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-21,Figure 10.6,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-22,Urban Development and the Environment,The ecology of urban slums Industrialization and urban air pollution Problems of congestion and the availability of clean water and sanitation,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-23,The Need for Policy Reform,The recognition that action to reduce environmental hazards has been insufficient is now widespread However, budgets are limited Better pricing policies would improve matters Inclusion of women in the design of environmental policy is important,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-24,The Global Environment: Rain Forest Destruction and Greenhouse Gases,Many scientists are alarmed by recent evidence regarding ozone depletion and global warming Economists also are concerned with the costs of global climate change The solutions seem to involve both LDCs and industrialized countries,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-25,Policy Options in Developing and Developed Countries,What LDCs can do Proper resource pricing Community involvement Clearer property rights and resource ownership Improved economic alternatives for the poor Improved economic status of women Industrial emissions abatement policies,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-26,Policy Options in Developing and Developed Countries (contd),How developed countries can help LDCs Trade policies Debt relief and debt for nature swaps Development assistance What developed countries can do Emissions controls R&D Import restrictions,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-27,Table 10.2,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-28,Concepts for Review,Absorptive capacity Biomass fuels Clean technologies Common property resource Consumer surplus Debt-for-nature swap Deforestation,Desertification Environmental accounting Environmental capital Externality Free-rider problem Global warming Greenhouse gases,Copyright 2006 Pearson Addison-Wesley. All rights reserved.,10-29,Concepts fo