When policymakers and private agents use models, the economists who design the model have an incentive to alter it in order infuence outcomes in a fashion consistent with their own preferences. I discuss some consequences of the existence of such ideological bias. In particular, I analyze the...

New fast estimation methods stemming from control theory lead to a fresh look at time series, which bears some resemblance to "technical analysis". The results are applied to a typical object of financial engineering, namely the forecast of foreign exchange rates, via a "model-free" setting,...

Notre recherche s'appuie sur une étude de cas menée dans une grande entreprise publique française venant de mettre en place un nouveau système de pilotage de la performance. La perspective adoptée pour cette étude s'inscrit dans le courant de recherche connu dans la littérature...

La mise en place d'un nouveau réseau de transport en commun s'accompagne d'une nouvelle organisation commerciale visant à accompagner et à porter les ambitions du réseau. Le présent rapport détaille la nouvelle offre de transport et les stratégies marketing mis en œuvre pour gagner en...

This conceptual article presents the current criticisms to relationship marketing and important concepts developed in the psychology to understand consumer reactance toward services packaged as formal contracts. A first part presents the numerous questions that researches are raising about the...

The relational approach is often presented as a strategy to retain customers, but it may also be an appropriate approach to encourage customers to complain, as a review of literature shows. Using information contained in complaints and giving the right answers (distributive, procedural and...

The combined pressures of desintermediation, deregulation, and industrial restructuring have helped to redefine the nature and importance of bank-client relationships (Schell, 1996). Directors or treasurers of companies often recognize that their relationship is with the bank account manager,...