نتایج جستجو برای: discrete coupon

تعداد نتایج: 161388  

Journal: :Journal of Computer Security 2015
Abdullah Ali Alshehri Steve A. Schneider

Near Field Communication (NFC) is a Radio Frequency (RF) technology that allows data to be exchanged between devices that are in close proximity. An NFC-based mobile coupon (M-coupon) is a coupon that is retrieved by the user from a source such as a newspaper or a smart poster and redeemed afterwards. The M-coupon is a cryptographically secured electronic message with some value stored on user’...

2004
Priya Raghubir

7 A coupon is a commonly used sales promotion device offering the user a discount on the purchase of a product. Consumer coupon offerings are also becoming increasingly diverse: from “% off” and “$ off” to “Buy one, Get one free” (BOGO) offers and co-promotions (Buy X, Deal on Y). This paper reports the results of three experiments that examine whether the economic value of a coupon is a source...

2005
Liqun Chen Matthias Enzmann Ahmad-Reza Sadeghi Markus Schneider Michael Steiner

A coupon represents the right to claim some service which is typically offered by vendors. In practice, issuing bundled multi-coupons is more efficient than issuing single coupons separately. The diversity of interests of the parties involved in a coupon system demands additional security properties beyond the common requirements (e.g., unforgeability). Customers wish to preserve their privacy ...

2009
Po-Cheng Wu

This paper explores a reasonable coupon rate for basket credit linked notes (CLN) with issuer default risk. Based on the one factor Gaussian copula model, this paper proposes three methods for incorporating issuer default into basket CLN pricing. Numerical results indicate that issuer default risk impacts basket CLN coupon rate. Furthermore, the coupon rate differs with changes in correlation s...

2001
SHELDON M. ROSS

The coupon subset collection problem is a generalization of the classical coupon collecting problem, in that rather than collecting individual coupons we obtain, at each time point, a random subset of coupons. The problem of interest is to determine the expected number of subsets needed until each coupon is contained in at least one of these subsets. We provide bounds on this number, give effic...

2015
Yutaka Ueda Tomotaka Sobue Akiko Morimoto Tomomi Egawa-Takata Chie Hashizume Hisayo Kishida Satomi Okamoto Kiyoshi Yoshino Masami Fujita Takayuki Enomoto Yoshimi Tomine Jun Fukuyoshi Tadashi Kimura

BACKGROUND Finding ways to improve the cervical cancer screening rates among young women has been seen as a critical national health problem in many countries, including Japan. The aim of the present study was to evaluate the effects of a free-coupon program for cervical cancer screening conducted by a local government under financial support from the Japanese national government. METHODS The...

2002
Ivar Ekeland Erik Taflin

We introduce a bond portfolio management theory based on foundations similar to that of stock portfolio management. A general continuous time zero coupon market is considered. The problem of optimal portfolios of zero coupon bonds is solved for general utility functions, under a condition of no-arbitrage in the zero coupon market. A mutual fund theorem is proved, in the case of deterministic vo...

2005
Erik Taflin

We introduce a bond portfolio management theory based on foundations similar to those of stock portfolio management. A general continuous-time zero-coupon market is considered. The problem of optimal portfolios of zero-coupon bonds is solved for general utility functions, under a condition of no-arbitrage in the zero-coupon market. A mutual fund theorem is proved, in the case of deterministic v...

2008
John Moriarty Peter Neal JOHN MORIARTY

Coupons are collected one at a time from a population containing n distinct types of coupon. The process is repeated until all n coupon have been collected and the total number of draws, Y , from the population is recorded. It is assumed that the draws from the population are independent and identically distributed (draws with replacement) according to a probability distribution X with the prob...

1999
Füsun F. Gönül Anthony A. Smith

Measuring the impact of coupon availability on consumers’ purchase decisions often poses a problem in forecasting market shares of brands in a retail environment. Because, data on actual coupon availability do not exist or can only be obtained by costly field experiments. The widely used supermarket scanner panel data sets offer information on coupons redeemed by the household for only the spec...

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