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Sales forecasting is one of the most important issues in managing information technology (IT) chain store sales since an IT chain store has many branches. Integrating feature extraction method and prediction tool, such as support vector regression (SVR), is a useful method for constructing an effective sales forecasting scheme. Independent component analysis (ICA) is a novel feature extraction ...

OBJECTIVES The objective of this study was to evaluate the intended and unintended impact on pharmaceutical use and sales of three public reimbursement reforms applied to the prescription of statins: a Spanish generic reference pricing system, and two competing policies introduced by the Andalusian Public Health Service. METHODS This study is designed as an interrupted time series analysis wi...

Executive Summary Poor software quality carries with it tremendous costs to an organization. Today, virtually every business depends on software for the development, production, distribution and/or after-sales support of products and services. According to a 2002 study conducted by the United States Department of Commerce, National Institute of Standards and Technology (NIST), poor software qua...

Executive Summary Poor software quality carries with it tremendous costs to an organization. Today, virtually every business depends on software for the development, production, distribution and/or after-sales support of products and services. According to a 2002 study conducted by the United States Department of Commerce, National Institute of Standards and Technology (NIST), poor software qua...

BACKGROUND Reducing the number of tobacco outlets may help reduce smoking uptake and use; public support for such action is essential. We explored how Twitter users responded to the announcement by US pharmacy chain CVS that it was voluntarily ending tobacco sales. METHODS We used Twitter's application programming interface to retrieve tweets and retweets posted over an 8-day period in Februa...

BACKGROUND Increasing alcohol taxes has proven effective in reducing alcohol consumption, but the effects of alcohol sales taxes on sales of specific alcoholic beverages have received little research attention. Data on sales are generally less subject to reporting biases than self-reported patterns of alcohol consumption. OBJECTIVES We aimed to assess the effects of Maryland's July 1, 2011 th...

The supply chain is major part of business activities. In the supply chain, every organization orders from its instantaneous upstream collaborators. Usually, the retailer’s order do not match with the authentic retail sales. The bullwhip effect refers to the incident where orders to the supplier tend to have bigger variance than sales to the buyer (i.e. demand misrepresentation), and the altera...

Collusion under imperfect monitoring is explored when firms’ prices are private information and their quantities are public information; an information structure consistent with several recent price-fixing cartels such as those in lysine and vitamins. For a class of symmetric duopoly games, it is shown that symmetric equilibrium punishments cannot sustain any collusion. An asymmetric punishment...

Complex assortments of products and services offered by online selling platforms require the provision of sales support systems assisting customers in the product selection process. Knowledge-based recommenders are intelligent sales assistance systems which guide online customers through personalized sales dialogs and automatically determine products which conform to their needs and wishes. Suc...