Articles

A Framework for Stakeholder Oriented Mindfulness: Case of RFID Implementation at YCH Group

T. S. H. Teo, S. C. SRIVASTAVA, C. Ranganathan, J. W. K. Loo

European Journal of Information Systems

mars 2011, vol. 20, n°2, pp.201-220

Départements : Informations Systems and Operations Management, GREGHEC (CNRS)

Mots clés : RFID, YCH Group, Mindfulness, Stakeholder, Implementation


Implementation of innovative technology in organizations is often fraught with challenges. Past literature on mindfulness suggests that mindful implementation of innovative solutions facilitates success and enhances effectiveness for the organization. Integrating insights from the mindfulness and stakeholder perspectives, we present and analyze a longitudinal case study of Radio Frequency Identification (RFID) implementation at YCH Group, a leading logistics provider in the Asia-Pacific region. Our objectives are to examine key attributes of mindfulness as well as identify specific organizational routines that fostered mindfulness at YCH that ultimately paved the way for effective implementation of RFID technology. Important lessons can be learnt from how YCH instituted organizational routines that enabled them to mindfully implement RFID, by explicitly considering both internal and external stakeholders

A Newsvendor Model with Initial Inventory and Two Salvage Opportunities

C. VAN DELFT, A. Cheaitou, Z. Jemai, Y. Dallery

Journal on Systemics, Cybernetics and Informatics

2011, vol. 9, n°3, pp.30-36

Départements : Informations Systems and Operations Management, GREGHEC (CNRS)

Mots clés : Newsvendor model, Initial inventory, Lost sales, Salvage opportunities, Concave optimisation and threshold levels


In this paper, we develop an extension of the newsvendor model with initial inventory. In addition to the usual quantity ordered at the beginning of the horizon and the usual quantity salvaged at the end of the horizon, we introduce a new decision variable: a salvage opportunity at the beginning of the horizon, which might be used in the case of high initial inventory level. We develop the expression of the optimal policy for this extended model, for a general demand distribution. The structure of this optimal policy is particular and is characterized by two threshold levels. Some managerial insights are given via numerical examples.

A Petri Net Approach to Analyzing Behavioral Compatibility and Similarity of Web Services

X. LI, Y. FAN, Q. Z. SHENG, Z. MAAMAR, H. ZHU

IEEE Transactions on Systems, Man, and Cybernetics - A

2011, vol. 41, n°3, pp.510-521

Départements : Informations Systems and Operations Management, GREGHEC (CNRS)


A Similarity-Based Approach to Prediction

I. GILBOA, O. Lieberman, D. Schmeidler

Journal of Econometrics

mai 2011, vol. 162, n°1, pp.124-131

Départements : Economie et Sciences de la décision, GREGHEC (CNRS)


Assume we are asked to predict a real-valued variable yt based on certain characteristics xt = (x1t , . . . , xdt), and on a database consisting of (x1i, . . . , xdi , yi) for i = 1, . . . , n. Analogical reasoning suggests to combine past observations of x and y with the current values of x to generate an assessment of y by similarity-weighted averaging. Specifically, the predicted value of y, yst , is the weighted average of all previously observed values yi, where the weight of yi, for every i = 1, . . . , n, is the similarity between the vector x1t, . . . , xdt, associated with yt , and the previously observed vector, x1i , . . . , xdi. The ''empirical similarity'' approach suggests estimation of the similarity function from past data. We discuss this approach as a statistical method of prediction, study its relationship to the statistical literature, and extend it to the estimation of probabilities and of density functions.Keywords:Density estimationEmpirical similarityKernelSpatial models

A taxonomy of the perceived benefits of accrual accounting and budgeting: Evidence from German states

T. Jagalla, S. D. BECKER, J. Weber

Financial Accountability & Management

mai 2011, vol. 27, n°2, pp.134-165

Départements : Comptabilité et Contrôle de Gestion, GREGHEC (CNRS)

Mots clés : Accrual Output-Based Budgeting, Accrual accounting, Budgeting, Benefits, Taxonomy, Germany

http://ssrn.com/abstract=1815806


Accrual Output-Based Budgeting (AOBB) in government has been disputed intensely among academics and practitioners. While normative, conceptual, or theory-based literature made promising claims about which benefits can be expected from reforming government accounting and budgeting, recent empirical research finds that at least some of these expectations have been massively overstated. The observed gap between promises and reality poses the question for the true benefits anew. Basing our analysis on practitioners' judgment, we suggest a general and prioritized landscape of perceived benefits (taxonomy). Our findings are derived from 42 interviews conducted in the context of two German federal states. Mapping our results to prior claims in the literature, we reveal that the practitioners interviewed do not see upsides in areas that former research deems to be important while other and previously not emphasized areas, such as mindset changes, seem to convince in practical life. The results of our analysis offer a profound basis for further exploration of the benefits and/or even cost/benefit evaluations. [ABSTRACT FROM AUTHOR]

A Trust-Based Approach to Selection of Business Services

S. LI, Y. FAN, X. LI

International Journal of Computer Integrated Manufacturing

2011, vol. 24, n°8, pp.769-784

Départements : Informations Systems and Operations Management, GREGHEC (CNRS)


Aggregation of multiple prior opinions

H. Crès, I. GILBOA, N. VIEILLE

Journal of Economic Theory

novembre 2011, vol. 146, n°6, pp.2563-2582

Départements : Economie et Sciences de la décision, GREGHEC (CNRS)

Mots clés : Aggregation of opinions, Ambiguity, Multiple priors


Experts are asked to provide their advice in a situation of uncertainty. They adopt the decision maker's utility function, but each has a potentially different set of prior probabilities, and so does the decision maker. The decision maker and the experts maximize the minimal expected utility with respect to their sets of priors. We show that a natural Pareto condition is equivalent to the existence of a set ¿ of probability vectors over the experts, interpreted as possible allocations of weights to the experts, such that (i) the decision maker's set of priors is precisely all the weighted-averages of priors, where an expert's prior is taken from her set and the weight vector is taken from ¿; (ii) the decision maker's valuation of an act is the minimal weighted valuation, over all weight vectors in ¿, of the experts' valuations

Aligning Ambition and Incentives

A. Koch, E.-A. PEYRACHE

Journal of Law, Economics and Organization

octobre 2011, vol. 27, n°3, pp.655-688

Départements : Economie et Sciences de la décision, GREGHEC (CNRS)

Mots clés : Reputation, Asymmetric learning, Relative performance contracts, Transparency

http://ssrn.com/abstract=686087


Labor turnover creates longer term career concerns incentives that motivate employees in addition to the short-term monetary incentives provided by the current employer. We analyze how these incentives interact and derive implications for the design of incentive contracts and organizational choice. The main insights stem from a trade-off between “good monetary incentives” and “good reputational incentives.” We show that the principal optimally designs contracts to create ambiguity about agents’ abilities. This may make it optimal to contract on relative performance measures, even though the extant rationales for such schemes are absent. Linking the structure of contracts to organizational design, we show that it can be optimal for the principal to adopt an opaque organization where performance is not verifiable, despite the constraints that this imposes on contracts

Ambiguity Models and the Machina Paradoxes

L. Placido, O. L'HARIDON, A. Baillon

American Economic Review

juin 2011, vol. 101, n°4, pp.1547-1560

Départements : GREGHEC (CNRS)


mail de Marc le 21/01/2010Machina (2009) introduced two examples that falsify Choquet expected utility, presently one of the most popular models of ambiguity. This article shows that Machina's examples falsify not only the model mentioned, but also four other popular models for ambiguity of the literature, namely maxmin expected utility, variational preferences, ??-maxmin, and the smooth model of ambiguity aversion. Thus, Machina's examples pose a challenge to most of the present field of ambiguity. Finally, the paper discusses how an alternative representation of ambiguity-averse preferences works to accommodate the Machina paradoxes and what drives the results. *UTILITY theory *RATE of return *ECONOMICS -- Research *UTILITY functions EXPECTED utility AMBIGUITY

An Empirical Investigation of the Relationship of IS Strategy with Firm Performance

D. Leidner, J. LO, D. Preston

Journal of Strategic Information Systems

2011, vol. 20, n°4, pp.419-437

Départements : Informations Systems and Operations Management, GREGHEC (CNRS)

http://dx.doi.org/10.1016/j.jsis.2011.09.001


pas sous affiliation HECGiven the important impact that an IS strategy has on the potential value IS brings to an organization, we develop and test a model of IS Strategy and Firm Performance. Our survey-based study provides strong evidence that firms with defined IS strategies (either IS Innovator or IS Conservative) perform better than those without defined IS strategies. Organizations without a clearly defined IS strategy actually experienced a negative relationship with firm performance. These organizations should realize the potentially negative outcomes of such a lack of strategy and work to extricate themselves before a consistent pattern of investing in IS without clear organizational benefit develops. Furthermore, the study suggests that the IS Innovator strategy is, in particular, associated with more superior firm performance than the IS Conservative strategy under conditions of environmental dynamism. Organizational leaders need to consider the external environments under which their organizations are operating and evaluate the influence those environments may have on their IS strategy's ability to impact performance. Post hoc analysis results also reveal a fourth potential IS strategy, one that strives for ambidexterity. Ambidextrous firms were found to be associated with the most superior performance, leading to a potential extension of the existing IS strategy typology and a call for future research.


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