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The social discount rate is a reflection of a society's relative valuation on today's well-being versus well-being in the future. The appropriate selection of a social discount rate is crucial for cost–benefit analysis, and has important implications for resource allocations. There is wide diversity in social discount rates, with developed ...
where s is the social discount rate, γ the PTP-rate, η the marginal elasticity of utility, and g the rate of growth of per-capita consumption (Dietz, 2008, p. 10). [38] Stern accepts the case for discounting, but argues that applying a PTP-rate of anything much more than zero to social policy choice is ethically inappropriate. [ 39 ]
v. t. e. The Ramsey–Cass–Koopmans model, or Ramsey growth model, is a neoclassical model of economic growth based primarily on the work of Frank P. Ramsey, [1] with significant extensions by David Cass and Tjalling Koopmans. [2][3] The Ramsey–Cass–Koopmans model differs from the Solow–Swan model in that the choice of consumption is ...
Discount rate may refer to: Social discount rate (of consumption), the rate at which the weight given to future consumption decreases in economic models. Pure time preference, or utility discount rate, the rate at which the weight given to future utility decreases in economic models. Annual effective discount rate, an alternative measure of ...
Social return on investment (SROI) is a principles-based method for measuring extra-financial value (such as environmental or social value) not otherwise reflected or involved in conventional financial accounts. The method can be used by any entity to evaluate impact on stakeholders, identify ways to improve performance, and enhance the ...
Discounted cash flow. The discounted cash flow (DCF) analysis, in financial analysis, is a method used to value a security, project, company, or asset, that incorporates the time value of money. Discounted cash flow analysis is widely used in investment finance, real estate development, corporate financial management, and patent valuation.
Discount window. The discount window is an instrument of monetary policy (usually controlled by central banks) that allows eligible institutions to borrow money from the central bank, usually on a short-term basis, to meet temporary shortages of liquidity caused by internal or external disruptions. The interest rate charged on such loans by a ...
Hyperbolic discounting is mathematically described as. where g (D) is the discount factor that multiplies the value of the reward, D is the delay in the reward, and k is a parameter governing the degree of discounting (for example, the interest rate). This is compared with the formula for exponential discounting: