1 A Location Model with Respect to Environmental Quality -- Statement of the Theorem -- Implications of the Model -- Conclusion -- Appendix: Proof of the Theorem -- 2 A Model of the Urbanization Process: An Application of Elementary Catastrophe Theory -- The Model -- An Implication for Environmental Policy -- Conclusion -- 3 Population Density Gradient and Rent Gradient -- Difference between the Population Density Gradient and the Rent Gradient -- An Empirical Test from the Dynamic Viewpoint -- Perspectives for Future Study -- Appendix 3.1: Shift of the Land Price Gradient in the Tokyo Metropolitan Area -- Appendix 3.2: Transportation Modal Choice — A Study Using Probit Analysis -- Appendix 3.3: A Note on the Data -- 4 Systems of Cities: An Approach to Central Place Theory -- The Model -- Implications of the Model -- Conclusion -- Appendix: Changing of the Parameter of the Rank-Size Rule Equation -- 5 City Size and Environmental Quality -- Theoretical Framework -- A Brief Survey of the Problem -- An Empirical Test of the Relation between Environmental Quality and Public Expenditure -- Conclusion -- Appendix 5.1: Data -- Appendix 5.2: Limit on the Growth of Cities -- Appendix 5.3: Statistical Unit for Defining a City -- Conclusion -- 6 Environmental Policy and Implementation -- Environmental Degradation and Social Responses -- The Validity of Cost-Benefit Analysis -- Changing Characteristics of the Planning and Policy-Implementation Process -- Appendix: A Consideration of the Policy-Implementation Process in Japan -- Statistical Appendix -- References -- Indexes.
