Showing 1 - 10 of 181
Traditionally, recommender systems present recommendations in lists to the user. In content- and knowledge-based recommendation systems these list are often sorted on some notion of similarity with a query, ideal product specification, or sample product. However, a lot of information is lost in...
Persistent link: https://www.econbiz.de/10010731146
Firms nowadays need to make decisions with fast information obsolesce. In this paper I deal with one class of decision problems in this situation, called the “one-sample” problems: we have finite options and one sample of the multiple criteria with which we use to evaluate those options. I...
Persistent link: https://www.econbiz.de/10010730882
By using Paradigm, it is possible to model cooperating processes and to make the communication between these processes very clear. This report gives a formal description of this modeling method using state-transition diagrams in order to model processes and homomorphismes and interleavings in...
Persistent link: https://www.econbiz.de/10010730852
We present VOSviewer, a computer program that we have developed for constructing and viewing bibliometric maps. VOSviewer combines the VOS mapping technique and an advanced viewer into a single easy-to-use computer program that is freely available to the bibliometric research community. Our aim...
Persistent link: https://www.econbiz.de/10010731475
We derive empirical tests for the mean-variance efficiency of a given portfolio. The tests can be computed using …
Persistent link: https://www.econbiz.de/10010837679
Study 1 investigates the beneficial effects of experiencing pride. Pride was found to have two different effects. First, it increases salespersons' performance-related motivations. Specifically, it promotes adaptive selling strategies, greater effort, and self-efficacy. Secondly, it positively...
Persistent link: https://www.econbiz.de/10011205396
Today, Alchian's "Uncertainty, evolution and economic theory" (1950) is hailed by evolutionary economists as a most important piece, which resumed an evolutionary brand of theorizing in economics after the eclipse of the interwar period. On the other hand, Alchian's article is also cherished by...
Persistent link: https://www.econbiz.de/10010730866
Several authors have proposed frameworks to help advertisers predict and plan advertising effectiveness. Rossiter and Percy's advertising grid (1997) recommends that the ad appeal should match the purchase motivation or attitude base. They suggest that for utilitarian brands informational...
Persistent link: https://www.econbiz.de/10010730868
This paper deals with Case-based Reasoning (CBR) as a support technology for sales promotion (SP) decisions. CBR-systems try to mimic analogical reasoning, a form of human reasoning that is likely to occur in weakly-structured problem solving, such as the design of sales promotions. In an...
Persistent link: https://www.econbiz.de/10010730879
We study the performance of Virtual Stock Markets (VSMs) in an institutional forecasting environment. We compare VSMs to the Combined Judgmental Forecast (CJF) and the Key Informant (KI) approach. We find that VSMs can be effectively applied in an environment with a small number of knowledgeable...
Persistent link: https://www.econbiz.de/10010730880