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Les economies d'echelle sont un determinant de la structure d'un secteur. Elles ont une influence sur le nombre d'entreprises presentes, sur le comportement de la concurrence et sur les relations de pouvoir qui prevalent. Elles ont une influence directe et indirecte sur la performance du secteur...
Persistent link: https://www.econbiz.de/10005779574
Knowledge management ca be seen as the pragmatic evolution of ideas in the field of organizational learning. Its main interest is the improvement of organizational capabilities on all levels of the organization through better use of the resource 'knowledge'.
Persistent link: https://www.econbiz.de/10005779575
This paper presents a new primal-dual algorithm for solving a class of monotropic programming problems. This class involves many problems arising in a number of important applications in telecommunications networks, transportation and water distribution. The proposed algorithm is inspired by...
Persistent link: https://www.econbiz.de/10005779576
In this paper, we discuss one of the reasons leading practitionners to the rejection of the Markowitz model and propose a new stastistical method to avoid this problem. To be more precise, we discuss the problem of statistical robustness of the Markowitz optimizer and show that the latter is not...
Persistent link: https://www.econbiz.de/10005779578
The deterring role of the medium of payment in a takeover contest is analyzed from the point of view of the bidder. Cash, debt and equity are considered as alternative mediums of payment, and the bidder equilibrium strategies are specified following the Perfect Bayesian Equilibrium requirements...
Persistent link: https://www.econbiz.de/10005779579
This paper proposes an alternative approach to access the usefulness of betas and applies it to a representative sample of the Swiss stock market. The approach is based on a more pragmatic analysis of the implications of using realised, rather than expected returns and on the fact that the...
Persistent link: https://www.econbiz.de/10005779580
To solve an easy-to-understand real world problem, we invite the reader to travel through many useful concepts related to the important models provided by the compound normal distributions
Persistent link: https://www.econbiz.de/10005779581
This paper considers whether stocks, bonds, real estate and securitized real estate in both the US and the UK provide protection against inflation, that is, whether they deliver positive real returns over a given holding period.
Persistent link: https://www.econbiz.de/10005779582
This article examines the relative influence of socio-economic variables versus attitudes as regards to consumer behavior towards book reading as a leisure activity. Previous studies on leisure consider the amount of discretionary time available to the individual as a decisive factor. This study...
Persistent link: https://www.econbiz.de/10005779584
Persistent link: https://www.econbiz.de/10005486620