Casual Games and free-to-play games have recently rapidly increased in popularity, perhaps in part because of the success of in-app purchases and micro-transactions as an economic model. While these games are often touted for their success in the gaming market, the effect on players when faced with such frequent purchasing decisions in-game is not well-studied. Theories of self-control suggest ...

Previous research has established that experiential purchases tend to yield greater enduring satisfaction than material purchases. The present work suggests that this difference in satisfaction is paralleled by a tendency for material and experiential purchases to differ in the types of regrets they elicit. In 5 studies, we find that people's material purchase decisions are more likely to gener...

We present an item-based approach for collaborative filtering. We determine a list of recommended items for a user by considering their previous purchases. Additionally other features of the users could be considered such as page views, search queries, etc. . . In particular we address the problem of efficiently comparing items. Our algorithm can efficiently approximate an estimate of the simil...

Understanding the nature of the diffusion process is crucial for sustainable development of a new technology and product. This study introduces a replacement diffusion model that leads to a better understanding of the growth dynamics of a technology. The model operates in an environment with multiple competitors and overcomes the limitations of existing models. The model (1) consists of a diffu...

Food is commonly purchased at fast-food restaurants and improving food choices these establishments may be a key contributor to the nation's diet. A better understanding of barriers dietary change when purchasing foods aid development new interventions improve choices. The objective this study determine costs benefits choosing lower calorie meal in 3D virtual representation restaurant. In ongoi...

BACKGROUND Purchases at small/non-traditional food stores tend to have poor nutritional quality, and have been associated with poor health outcomes, including increased obesity risk The purpose of this study was to examine whether customers who shop at small/non-traditional food stores with more health promoting features make healthier purchases. METHODS In a cross-sectional design, data coll...

BACKGROUND Taxing soft-drinks may reduce their purchase, but assessing the impact on health demands wider consideration on alternative beverage choices. Effects on alcoholic drinks are of particular concern, as many contain similar or greater amounts of sugar than soft-drinks and have additional health harms. Changes in consumption of alcoholic drinks may reinforce or negate the intended effect...

OBJECTIVES Study the effects of the 2011 Malaysian minimum price law (MPL) on prices of licit and illicit cigarette brands. Identify barriers to the MPL achieving positive public health effects. METHODS The International Tobacco Control Project's Southeast Asia survey collected information on Malaysian smokers' cigarette purchases (n=7520) in five survey waves between 2005 and 2012. Consumpti...