discount rate Discount rates 2 Investments 2 Air pollution 1 Article 1 Commerce 1 Consumer discount rates 1 Consumer preferences 1 Costs 1 Developed economies 1 Earnings 1 Economic analysis 1 Efficient energy and transport technologies 1 Energy conservation 1 Energy efficiency 1 Energy efficiency policies 1 Integrated assessment model 1 Integrated assessment models 1 Investment opportunities 1 Liquidity constraints 1 National defense 1 National income and product accounts 1 Percentage points 1 Private capital 1 Purchasing decisions 1 Social discount rate 1 Technology diffusion 1 Time preference 1 Time preferences 1 Transport technology 1