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This paper reports on the development and application of an instrument to evaluate the overall IT fitness of medium sized enterprises. The instrument was designed in 1997 as part of an applied research project with the close co-operation of scientists and consultants, as well as various market...
Persistent link: https://www.econbiz.de/10010309028
Safety-first portfolio optimization is concerned with maximizing the expected portfolio return subject to a safety-first constraint, which is defined as the probability of failing to achieve a specified target. Commonly the target is assumed to be fixed, which, however, leads to significant...
Persistent link: https://www.econbiz.de/10010271591
This paper analyzes the safety-first portfolio model under two different target assumptions, the fixed target, which is commonly assumed in the literature, and the random target, which has played only a minor role so far. As both targets can be easily motivated, the open question is, which...
Persistent link: https://www.econbiz.de/10010319288
Suppose a fund manager uses predictors in changing port-folio allocations over time. How does predictability translate into portfolio decisions? To answer this question we derive a new model within the Bayesian framework, where managers are assumed to modulate the systematic risk in part by...
Persistent link: https://www.econbiz.de/10011604927
This paper analyses the problem of price discrimination in a market where consumers have heterogeneous preferences both over a horizontal parameter (brand) and a vertical one (quality). Discriminatory contracts are characterised for different market structures. It is shown that price dispersion,...
Persistent link: https://www.econbiz.de/10011608401
von Unternehmen, vor. Bestehende Verfahren zur Messung der Nachhaltigkeit basieren auf einer vergleichenden Bewertung … Bewertung des Ressourceneinsatzes in Unternehmen erfolgt dabei anhand der Opportunitätskosten ökologischer und sozialer … den bestehenden Ansätzen zur Nachhaltigkeitsbewertung von Unternehmen gegenüber und demonstriert seine Berechnung am …
Persistent link: https://www.econbiz.de/10010377657
A fund's performance is usually compared to the performance of an index or other funds. If a fund trails the benchmark, the fund manager is often replaced. We argue that this may lead to excessive risk-taking if fund managers differ in ability and have the opportunity to take excessive risk. To...
Persistent link: https://www.econbiz.de/10010427567
functions, underlying mechanisms and conditions of successful policies. For this purpose, collective benchmarking of research … and innovation policies provides routines for exploiting various types learning sources”. While benchmarking is a flexible … instrument it nevertheless needs a rigorous benchmarking methodology that guides search for best practises and respects the …
Persistent link: https://www.econbiz.de/10010285158
Strategic use of environmental information may have as consequence that a benevolent environmental agency will choose not to disclose information leading to reduced moral motivation. Thus, decision makers will not have access to such information, implying that they will not be able to adjust...
Persistent link: https://www.econbiz.de/10010285620
Services are characterised by the integration of customers while the service is produced. This integration leads to interruptions in the processing of a customer order until the customer provides the missing input. Since customer behaviour can be planned to a certain extent only challenges in...
Persistent link: https://www.econbiz.de/10010305891