A Rehabilitation of Economic Replacement Theory

Optimum replacement policies with delay

Journal of Applied Probability ◽

10.1017/s0021900200036445 ◽

1974 ◽

Vol 11 (01) ◽

pp. 102-110 ◽

Cited By ~ 5

Author(s):

Toshio Nakagawa ◽

Shunji Osaki

Keyword(s):

Delay Time ◽

Expected Cost ◽

Numerical Examples ◽

Special Cases ◽

Replacement Theory

Replacement theory for equipment has been investigated by several authors. This paper introduces the ‘delay’ time preparing for replacement, derives the expected cost per unit time, and discusses the optimum replacement policies under several conditions. Three special cases are discussed and numerical examples are presented.

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CELL SURVIVAL THEORY VERSUS REPLACEMENT THEORY

Plastic & Reconstructive Surgery ◽

10.1097/00006534-195509000-00001 ◽

1955 ◽

Vol 16 (3) ◽

pp. 161-168 ◽

Cited By ~ 82

Author(s):

LYNDON A. PEER

Keyword(s):

Cell Survival ◽

Theory Versus ◽

Replacement Theory

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Gonadotropin releasing hormone agonists and hormone replacement theory

Reproductive Medicine Review ◽

10.1017/s0962279900001319 ◽

1996 ◽

Vol 5 (3) ◽

pp. 139-150

Author(s):

R Jeffrey Chang

Keyword(s):

Hormone Replacement ◽

Gonadotropin Releasing Hormone ◽

Alternative Strategies ◽

Ovarian Steroidogenesis ◽

Releasing Hormone ◽

Oestrogen Deprivation ◽

Replacement Theory

It has been clearly demonstrated that GnRHa is a powerful suppressant of ovarian steroidogenesis and, as a result, provides alternative strategies in dealing with certain gynaecological disorders. A concern for the deleterious effects of oestrogen deprivation is underscored by the potential long-term application of these compounds. Available studies indicate that concomitant HRT, whether physiological or pharmacological, may be utilized with good results. However, there is a great need to further explore the benefit and risks of supplementation therapy.

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