INTRODUCTION E-cigarette sales continue to increase in the United States. To date, little surveillance research has documented the specific product attributes driving growth. This study uses national market scanner data to describe sales trends in traditional U.S. tobacco retail channels between 2012 and 2013 and identifies product features associated with sales increases. METHODS Data on e-c...

At present, fresh agricultural products have begun to take the scale of industrialization, the majority have been in full accordance with high yield and high quality, efficient and safe production requirements, but due to the characteristics of fresh agricultural products, more and more attention have been aroused, the traditional marketing model is facing a bottleneck, the various aspects of n...

OBJECTIVE To determine whether sales of electrolyte products contain a signal of outbreaks of respiratory and diarrheal disease in children and, if so, how much earlier a signal relative to hospital diagnoses. DESIGN Retrospective analysis was conducted of sales of electrolyte products and hospital diagnoses for six urban regions in three states for the period 1998 through 2001. MEASUREMENT...

BACKGROUND Vending machines account for food sales and revenue in schools. We examined 3 strategies for promoting the sale of lower-calorie food products from vending machines in high schools in the Netherlands. METHODS A school-based randomized controlled trial was conducted in 13 experimental schools and 15 control schools. Three strategies were tested within each experimental school: incre...

D the widespread adoption of search and recommendation technologies on the Internet, empirical research that examines the effect of these technologies is scarce. How do online consumers use these technologies? Does consumers’ technology usage have an effect on the sales to them or their purchasing patterns? This paper empirically measures consumers’ usage of website technologies by analyzing se...

I t is the common practice , that a production process ends up with more than one final products . The products that result from the same production process are termed as jOint products or by-products . Of course, the appropriate terminology is attributed according to the total value of sales of each product. For instance, if the sales of each product are approximately of the same value, then t...