Although the concept of investments in romantic relationships has featured prominently in close relationships research, there have been no empirical analyses of different types of investments and their possible differential predictive power regarding relationship state or fate. With data from five independent samples, the authors offer and examine investments that differ in terms of their timin...

This paper presents the results of an exploratory study that examined a possible connection between investments in Information Technology and changes in the market value of companies in Japan. The event-study methodology, which focuses on the change of stock price as a result of announcements about Information Technology investments, was applied. The main contribution of this project was to exa...

Understanding the return on investments in information technology (IT) is the focus of a large and growing body of research. The objective of this paper is to synthesize this research and develop a model to guide future research in the evaluation of information technology investments. We focus on archival studies that use accounting or market measures of firm performance. We emphasize those stu...

Our maintained hypothesis is that drug development responds to the intensity of consumer demand. We look at the distribution of drug development by disease and link this to the economic harm caused by disease as measured by mortality. Mortality data represent the net effect of human frailty and the efficacy of the existing drugs on the market. If people continue to die from a given condition th...