We examine the effect of online consumer reviews on the sales of video games. An inherent problem in measuring the influence of reviews on demand is that products receiving good reviews tend to be of high quality, and it is difficult to determine whether the review or the quality is responsible for the high demand. To circumvent this problem, we consider video games that are developed for both ...

In this paper we address the problem of defining games formally, following Wittgenstein's dictum that games cannot be defined adequately as a formal category. Several influential attempts at definitions will be evaluated and shown to be inadequate. As an alternative, we propose a descriptive model of the definable supercategory that games belong to, cybermedia, that is pragmatic, open, and capa...

Game theory models decision makers' behaviors in strategic situations. Since the structures of games are different, behavior and preferences of the players are different in various types of game. This paper reviews various situations of games. Here, characteristics of some common games are discussed and compared. Specifically, we focus on a group of games called symmetric games including Prison...

abstract there are varieties of researches for appraisal of results obtained by countries in olympics, using data envelopment analysis method. this research is aimed to make such appraisal for iranians’ results in olympics games using the dea method. before taking any measures, main issues of dea methods for appraisal of olympics games in the previous research were discussed, afterward optimiza...

Empirically, the onset-rhyme structure of the syllable has been revealed in several experiments using word-games. The simplest games used monosyllabic words C(C)VC(C) presented as auditory stimuli (Trieman, 1983, 1985). In most of Treiman’s work, participants were asked to coin a new word from given pairs of words. The participants created new words using perceived inner boundaries, usually loc...