Description: Accurate determination of the appropriate time to retire and replace a physical asset is important for large ensembles of such assets when taken as a whole, and concerns the fate of tens of trillions of dollars in assets, such as airplane engines, vehicles, or any other kind of physical asset susceptible to obsolescence. A decision model to accomplish this is derived using the concept of actuarial present value applied to an economic theory of cost minimization. Since this is a theory coupling investor wealth creation with the long-term optimization of the use of scarce resources, it can also be offered as an economic model relevant to sustainability.

Description: Because of increasing longevity in the world's population, a larger proportion of people will live long enough to develop chronic diseases. Because of their large numbers and extent of their individual expenses, the public sector will need to intervene to help these patients and their families. From Financing Chronic Care Monograph, M-HB05-1.

Description: Presented at Living to 100 Symposium, January 2011. This paper focuses on the issues confronting employers as they seek to manage their talent in a country with an aging population. It focuses on the goals of employers and employees and examines patterns of work as the population ages.

Description: Chapter 6 presents a listing of sources used in the Price, Waterhouse study. From Study of Public Financial Guarantee Programs, M-FI96-2.

Description: Foreword to monograph presenting results of a Price, Waterhouse study on behalf of SOA. From Study of Public Financial Guarantee Programs, M-FI96-2.