This background paper was prompted by a workshop held at OTA in early March 1995, at which a small group, representing a broad cross-section of lower-tier firms, discussed their views of the space transportation industry.

This paper assesses the medical benefits and costs of both screening and hormone replacement therapy. It is divided into two volumes. This volume presents the results of a model that estimates the cost per year of life gained from osteoporosis screening and hormone replacement therapy in postmenopausal women.

This paper assesses the medical benefits and costs of both screening and hormone replacement therapy. It is divided into two volumes. This volume provides the basis for the assumptions about the costs and effects of screening and hormonal replacement therapy used in the cost-effectiveness model.

This paper presents some empirical information on how insurers consider payment for new medical devices. It describes the survey results of medical directors affiliated with private health insurers about their coverage decisions using, as examples, three applications of lasers: laser angioplasty for opening narrowed or blocked coronary arteries; laser discectomy for treating herniated intervertebral discs; and photodynamic therapy (using a light–sensitive dye) for bladder cancer.

The report discusses the opportunities for Native Americans to use telecommunications (including computer networking, videoconferencing, multimedia, digital and wireless technologies, and the like) in the realms of culture, education, health care, economic development, and governance.