• Publications
  • Influence
The Effect of Internet Security Breach Announcements on Market Value: Capital Market Reactions for Breached Firms and Internet Security Developers
TLDR
The results show that announcing an Internet security breach is negatively associated with the market value of the announcing firm, and the cost of poor security is very high for investors.
A model for evaluating IT security investments
TLDR
While calculating ROSI seems taxing, increasing possibility and scope of IT security breaches due to increasing interconnectivity makes it imperative, as the number of security breaches increases exponentially according to the CERT, so does their cost.
Information Sharing in a Supply Chain: A Note on its Value when Demand Is Nonstationary
TLDR
Analytically and through simulation, it is shown that the manufacturer's benefit is insignificant when the parameters of the AR(1) process are known to both parties, as in Lee, So, and Tang (LST).
Retailer- vs. Vendor-Managed Inventory and Brand Competition
TLDR
It is shown that VMI intensifies the competition between manufacturers of competing brands and that the increased competition benefits a retailer that stocks these brands.
The Value of Intrusion Detection Systems in Information Technology Security Architecture
TLDR
This paper finds that the IDS configuration, represented by detection and false alarm rates, determines whether a firm realizes a positive or negative value from theIDS, and suggests that the positive value of an IDS results from an increased deterrence enabled by improved detection.
Online Product Reviews: Implications for Retailers and Competing Manufacturers
TLDR
It is shown that reviews never hurt the retailer and the manufacturers with favorable reviews, and never benefit the manufacturer with unfavorable reviews, a finding that demonstrates why reviews' effect on upstream competition is critical for firms in online marketplaces.
Decision-Theoretic and Game-Theoretic Approaches to IT Security Investment
TLDR
It is shown that the sequential game results in the maximum payoff to the firm, but requires that the firm move first before the hacker, except when the firm's estimate of the hacker effort in the decision theory approach is sufficiently close to the actual hacker effort.
Interorganizational Collaborative Forecasting and Replenishment Systems and Supply Chain Implications
Collaborative Forecasting and Replenishment (CFAR) is a new interorganizational system that enables retailers and manufacturers to forecast demand and schedule production jointly. The capabilities of
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