I examine how information technology (IT) skills and use, communication network structures, and the distribution and flow of information in organizations impact individual information worker productivity. The work is divided into three essays based on the task level practices of information...

As the Internet continues to penetrate consumer households, online marketing is getting increasingly important for firms. By adapting to online strategies, firms are blessed (or doomed) with a plethora of new business models. The information flows created in the process poses both opportunities...

Although Japan had fallen far behind the United States in the extent and sophistication of its IP technology and information/communication industry, today it is beginning to catch up. By May 2003, the number of broadband Internet users in Japan exceeded 10 million, and the shift from narrowband...

In today's world, as the volume of business and consumer data continues to grow at an unprecedented pace, there is increasing desire to utilize that data in new and innovative and ways to provide insight and improve decision making. For businesses, data is being generated from transactions,...

The five essays in this dissertation look at how specific information technologies (such as Electronic Document Management (EDM), Semantic Web and RuleML) and IT in general can be used to automate and standardize data and processes, enable faster and more accurate information flow, and improve...

(cont.) provides explanations as to when and how incorporating them into advertising deals can be profitable. We argue that using these pricing models appropriately can give both the publisher and the advertiser proper incentives to make non-contractible efforts that may improve the...

(cont.) that threaten to disappear cause decision makers to invest more effort and money in order to keep these options open, even when the options themselves seem to be of little interest. The last experiment provides initial evidence that the mechanism underlying the tendency to keep doors...

The long-run effect of banner advertisements is among the most complex topic in the internet world. Media spending on online marketing has grown from $3 billion in 1999 to $9 billion in 2004. Forecasts (Jupiter Research 2005) expect this growth to double in the next five years. The proportion of...