Management Projects, Dissertations, Management Thesis, Working Papers, Case Studies, Examples, Resources and Information
This dissertation presents a situational theory of problem solving that highlights distinctive communicative and cognitive features in human problem solving. Its purpose is to provide a simple and useful, but not atheoretical, account of communication behavior and the cognitive approaches that we
This dissertation includes two essays on the economic aspects of information security. The first essay presents a principal-agent model for assessing the value of information security audits. The issue of information security investments is confounded by control problems arising from asymmetric information
This study proposes the return-earnings covariance as a proxy for the usefulness of earnings inferred from the absolute magnitude of price changes associated with earnings information. It is argued that such measurement of the absolute usefulness of earnings information has been neglected
This study measures the economic consequences of information security activities, in general, and more specifically the market value of disclosures of information security activities. Since information security activities are primarily non-revenue generating, management tends to view them as the cost-of-doing-business, with no
This study contributes to literature in three ways: first, it draws a full picture about the determinants of a firm’s voluntary disclosure decision; second, it aims at tackling the mixed results found about the relation between competition and disclosure; and third, it
This dissertation investigates two research questions arising from the regulation of internal controls required by Sarbanes-Oxley Act of 2002 (SOX). The first research question asks whether better internal controls can enhance firm performance? To address this question, the relation between market-value and
This study documents behavior consistent with herding in voluntary disclosure decisions and investigates two possible reasons for this phenomenon. Based on theories of social learning and rational herds, herding in disclosure decisions may be due to managers’ use of information reflected in
In this paper, I study analysts’ superiority over the market in processing publicly disclosed earnings information by examining a sample of recommendation revisions issued subsequent to annual earnings announcements within a short period of thirty trading days. The main findings of this
This study proposes an alternative measure of discretionary accruals that can be used in testing for intentional earnings management. Prior research has shown the prevalence of measurement error in all models used to estimate discretionary accruals (Healy (1985), DeAngelo (1986), Jones (1991)
The increasing material costs and the rapid advances in computing technology have both motivated and promoted the study of network problems that arise in several different application domains. This dissertation consists of four chapters on network applications in transportation, telecommunications, and supply