A method of inferring the value of benefits and costs in the absence of a market. [...] In particular, the report describes the use of “contingent valuation” by beneficiaries and the alternative approach which is to quantify and value changes in the quality of life of program beneficiaries and their caregivers. [...] The assistance is provided to eligible homeowners and landlords in the form of a forgivable loan of up to 100% of total costs, to the maximum allowable for the zone in which the disabled individual lives. [...] They included: 1. An improvement in the person’s quality of life during the period in which he or she would have remained in the dwelling anyway 2. The quality of life in the present dwelling minus the quality of life in the alternative dwelling to which the person would have moved in the absence of HASI/RRAP-D 3. The postponement of moving costs 4. Occupancy costs savings – that is, occupancy cos [...] The key parameters that would need to be known to calculate these benefits are: • The increment of quality of life that results from the renovation • The extension of tenure in the existing dwelling that results from the renovation • The quality of life in an alternative dwelling chosen to accommodate aging and/or disability • The probability of an adverse event precipitating an immediate move to