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151.
Anna Saba Federico Messina Aida Turrini Margaret Lumbers Monique M. Raats the Food in Later Life Project Team 《International Journal of Consumer Studies》2008,32(2):147-156
A sample of 768 seniors over 65 years, living in eight European countries, was interviewed to investigate perceptions, preferences and attitudes towards convenience in preparation of vegetable soups. In each country, a range of seven vegetables soups varying in preparation levels required before consumption was identified. The first part of the interview (in‐depth interview) was carried out by using the Repertory Grid Method, an effective method to describe perceptions of foods using consumers' own language. Overall, vegetable‐related foods with convenience in preparation were perceived in similar ways across the countries. Older adults tended to describe ready vegetable soups mainly making associations related to preparation, rather than on their own preferences and evaluations. Conversely, fresh vegetables requiring all preparation or considerable preparation (cut fresh vegetables) were mainly associated with attributes such as taste, freshness, health benefits and familiarity with the product. The second session of the interview was based in part on the Theory of Planned Behaviour. A component measuring the extent to which it is felt necessary to eat convenience foods (perceived need) was assessed as well. Generally speaking, older people did not seem to view positively the consumption of convenience foods. Additionally, they did not feel the need to consume these products nor do they have the intention to consume them in the forthcoming month. Pleasure associated with performance of the behaviour was the most important determinant of intention to eat convenience foods in Germany, Denmark and Sweden. Perceived need was the most important factor in determining the intention to eat convenience foods in the UK, Poland and Portugal. Perceived control and subjective norms were the most important factors influencing the intention to eat convenience foods in Italy. The encouragement of consuming ‘ready‐meals’ might represent an opportunity to have healthier food choices and to reduce the risk a monotonous diet for older people who cannot or do not know how to cook, combined with a low interest in food‐related activities such as cooking. 相似文献
152.
Impulse Control Method and Exchange Rate 总被引:3,自引:0,他引:3
We control a diffusion process with constant coefficients in order to keep this process in a given band with impulse control methods. We prove that there exists an optimal control if the cost associated with each control is a fixed cost plus a proportional cost. We study the problem of the exchange rate and prove that it is possible to keep the exchange rate in a target zone with discrete interventions. 相似文献
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155.
There is an incredible paucity of studies focusing on what it takes to produce a successful strategic decision. The purpose of this paper is to advance the body of knowledge in this most important area. Using a two-dimensional typology of strategic choice, twelve real-world cases of strategic decision making are classified and evaluated. The results of these evaluations tend to confirm the typology of strategic choice and to suggest a need for additional research to validate the hypothesis that a formal decision-making process is conducive to successful strategic decision outcomes. This paper is intended for both professors and practioners of strategic choice. 相似文献
156.
Tomasz R. Bielecki Stéphane Crépey Monique Jeanblanc Marek Rutkowski 《Quantitative Finance》2013,13(8):795-810
This paper is the first in a series that we devote to studying the problems of valuation and hedging of defaultable game options in general, and convertible corporate bonds in particular. Here, we present mathematical foundations for our overall study. Specifically, we provide several results characterizing the arbitrage price of a defaultable game option in terms of relevant Dynkin games. In addition, we provide important results regarding price decomposition of defaultable options. These general results are then specified to the case of convertible bonds, yielding in particular a decomposition of convertible bonds in an optional and a bond component. 相似文献
157.
This paper discusses the main modeling approaches that have been developed for handling portfolio credit derivatives, with a focus on the question of hedging. In particular, the so-called top, top down and bottom up approaches are considered. We give some mathematical insights regarding the fact that information, namely the choice of a relevant model filtration, is the major modeling issue. In this regard, we examine the notion of thinning that was recently advocated for the purpose of hedging a multi-name derivative by single-name derivatives. We then illustrate by means of numerical simulations (semi-static hedging experiments) why and when the portfolio loss process may not be a ‘sufficient statistic’ for the purpose of valuation and hedging of portfolio credit risk. 相似文献
158.
Yao “Henry” Jin Monique L. Ueltschy Murfield Dora E. Bock 《Journal of Business Logistics》2023,44(1):37-60
Buy-online-pickup-instore (BOPIS) services have become an increasingly important part of a retailer's omnichannel strategy. When service failures (e.g., stock-out) occur, consumers may resort to negative word-ofmouth (NWOM) to share their evaluation of the retailer's BOPIS service. While a retailer's service recovery policies (e.g., cross-channel substitution) may help to fulfill its service intent, the extent to which these two signals can improve consumer satisfaction and diminish their NWOM intent remains unknown. Drawing from both service recovery literature and signaling theory, we conducted a series of five experiments and find that the intradimensional congruity of the signal set communicated by the retailer during its BOPIS service process depends on both its operational capability and the consumer's own predilection regarding the product category. These insights collectively indicate that while a retailer's operations need to support service policies to provide a congruous BOPIS service process, substitution policies offered to consumers during the transaction need to consider the extent to which a consumer's purchase decision is hedonic or utilitarian. In turn, this finding suggests that a retailer's category management needs to consider BOPIS substitution in terms of both product assortment and inventory policies. 相似文献
159.
Sander Noels Simon De Ridder Sébastien Viaene Tijl De Bie 《International Journal of Intelligent Systems in Accounting, Finance & Management》2023,30(3):120-136
Comparing companies can be useful for various purposes. Despite the widespread use of industry classification systems as a peer selection standard, these have been criticized for various reasons. Financial statements, however, offer a promising alternative to such classification systems. They are standardized, widely available, and offer deep insights into the nature of the company. In this paper, we present a graph distance metric for financial statements using the earth mover's distance. When using the distance metric on real-world tasks such as peer identification and industry classification, it shows promising results in terms of accuracy and computational efficiency. 相似文献