Issues in the contingent valuation of environmental goods : methodologies for data collection and analysis / Gregory K. Leonard -- exploring a budget context for contingent valuation lestimates / Christopher Maxwell -- Where do the numbers come from? : how people respond to contingent valuation...

This volume presents the third phase of the project. An analysis and country-by-country comparison of the effects of social security incentives on retirement behavior in Belgium, Canada, Denmark, France, Germany, Italy, Japan, The Netherlands, Spain, Sweden, the UK, and the United States.