Determining whether investments in information technology (IT) have an impact on firm performance has been and continues to be a major problem for information systems researchers and practitioners. Financial theory suggests that managers should make investment'decisions that maximize the value of the firm. Using event-study methodology, we provide empirical evidence on the effect of announcemen...

Self Investments of Adolescents and their Cognitive Development While a large literature has focused on the impact of parental investments on child cognitive development, very little is known about the role of child’s own investments. Information on how children invest their time separately from parents is probably little informative for babies and toddlers, but it becomes more and more importa...

it seems that in spite of huge investments made in history of iranian medicine in recent years, the investments and the perspective of results obtained in studies of history of the islamic era medicine is not what was expected. a reason for this phenomenon can be absence of perspective and theoretical studies in this field. in this study, after explaining the how’s and why’s of the theory devel...

This paper examines how strategic posture in IT investment with respect to industry peers (i.e., level of IT investment compared to the industry norm for IT investments) and competitive environment influence IT investments of a firm. We synthesize prior literature on determinants of IT investments and competitive dynamics to develop our theoretical framework. Using archival data for about 380 f...

Does it pay to invest in IT? Research over the last two decades has resulted in mixed findings. While many studies have shown a positive and significant relationship between IT investments and firm productivity and performance measures, the question of causality remains: Do higher IT investments contribute to better performance or does better performance contribute to higher IT investments? In ...

What is the impact on human capital investment when a worker’s ability and investments are observed by the labour market only when the worker invests in self-promoting activities? When ...rms pay spot market wages, high ability workers overinvest in selfpromotion. There is no employment contract that attains full e¢ciency. Constrained e¢ciency is attained when employment bonds are feasible. The...

Traditional accounting techniques such as return on investment and net present value are often used when deciding investments in information technology. We examined both academic and trade literature to determine the utility of such techniques and to recognize alternatives. Findings reveal that this survey is needed and is important for information systems managers facing heightened scrutiny of...

The recent crisis and the following flight to simplicity put most derivative businesses around the world under considerable pressure. We argue that the traditional modeling techniques must be extended to include product design. We propose a quantitative framework for creating products which meet the challenge of being optimal from the investors point of view while remaining relatively simple an...