It is now clear that endlessly growing consumption of resources in the global human economy imperils Earth’s life-sustaining biosystem and threatens human existence as we know it. Long-term sustainability of human and non-human life can be achieved only by creating an entirely new economy that...

Social Security faces a major long-term funding crisis. A 38 or greater percentage increase in the systems' tax rate is needed to meet current benefit payments on an ongoing basis. Tax increases of this magnitude or comparable benefit cuts would significantly worsen what is already a very bad...

This paper considers the problem of a capital-limited investor with log utility who has the opportunity to invest in a security that follows a parametric price process. While the investor knows the form of the process, the exact parameter values are not known and must be inferred by observing...

Social Security faces a major long-term funding crisis. A 38 or greater percentage increase in the systems' tax rate is needed to meet current benefit payments on an ongoing basis. Tax increases of this magnitude or comparable benefit cuts would significantly worsen what is already a very bad...

New product development involves making a series of decisions that transform vaguely defined customer needs and desires into a final product. Two important, but often overlooked, product development decisions are (1) the classification of requirements as mandatory or optional, and (2) the...