منابع مشابه
Safe in the Sun
سرطانهای جلدی را می توان به انواع پیش بدخیم و بدخیم تقسیم نمود. شایعترین ضایعه جلدی پیش بدخیم، کراتوز آفتابی نام دارد که بصورت ضایعات خشک و دلمه دار جلدی بروز می کنند - لنتیگو آفتابی یک ضایعه پیش بدخیم دیگرن است که بصورت لکه های قهوه ای و صاف (غیر برجسته روی پوست مشاهده می شوند) ضایعات پیش بدخیم در صورت عدم درمان می توانند بدخیم شوند.
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We study a dynamic buyer-seller problem in which the good is information and there are no property rights. The potential buyer is reluctant to pay for information whose value to him is uncertain, but the seller cannot credibly convey its value to the buyer without disclosing the information itself. Information comes as divisible hard evidence. We show how and why the seller can appropriate a su...
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Although Advance Selling and Probabilistic Selling differ in both motivation and implementation, we argue that they share a common characteristic—both offer consumers a choice involving buyer uncertainty. We develop a formal model to examine the general economics of purchase options that involve buyer uncertainty, explore the differences in buyer uncertainty created via these two strategies, an...
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Over the past few years, firms in the travel and entertainment industries have begun using novel sales strategies for revenue management. In this chapter, we study a selling strategy called opaque selling, in which firms guarantee one of several fully specified products, but hide the identity of the product that the consumer will actually obtain until after the purchase is completed. Several fi...
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Americans are increasingly turning to hospice services to provide them with medical care, pain management, and emotional support at the end of life. The increase in the rates of hospice utilization is explained by a number of factors including a "hospice movement" dating to the 1970s which emphasized hospice as a tool to promote dignity for the terminally ill; coverage of hospice services by Me...
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ژورنال
عنوان ژورنال: Nature
سال: 1976
ISSN: 0028-0836,1476-4687
DOI: 10.1038/261452a0