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Università della Svizzera italiana

Perché emerge la resistenza a cambiare i tratti dell'identità organizzativa?

Illia, Laura

Questo lavoro di ricerca documenta i risultati empirici qualitativi e quantitativi di un caso di studio sul cambiamento identitario de facto di un’organizzazione. In base ad un approccio che integra la prospettiva cognitiva a quella cognitiva psicologica, viene definito un modello teorico che discute perché in situazione di cambiamento i membri dell’organizzazione percepiscono una minaccia...

Università della Svizzera italiana

Cost and scale efficiency in the nursing home sector : evidence from Switzerland

Filippini, Massimo

This paper examines costs in the nursing home industry, an issue of concern to Swiss policy makers because of the explosion of elderly care costs and the aging of the population. Moreover, the fact that Swiss nursing homes are managed by different forms of institutional organizations (private for-profit nursing homes, government nursing homes and nonprofit nursing homes) raises the issue of their...

Università della Svizzera italiana

Understanding and managing knowledge-intensive conversations : an appreciative reading of the literature on conversations in organizations and an integrative approach for their management

Mengis, Jeanne ; Eppler, Martin J.

This article argues for the central role of conversations in knowledge-transformation processes in organizations. Given the importance attributed to conversations in the literature, but also the many conversational routines that often prevent knowledge creation and sharing, an integrative approach for managing knowledge-intensive conversations is needed. The article reviews the academic...

Université de Fribourg

400 years of debris flow activity and triggering weather conditions: Ritigraben VS, Switzerland

Stoffel, Markus ; Lièvre, Igor ; Conus, Delphine ; Grichting, Michael A. ; Raetzo, Hugo ; Gärtner, Holger W. ; Monbaron, Michel

In: Arctic Antarctic and Alpine Research, 2005, vol. 37(3), p. 387-395

Three major rainfall events have caused considerable damage in the Valais region (Swiss Alps) since 1987. While important debris flows originating from periglacial environments were recorded during the August 1987 and September 1993 rainfall events, no debris flows occurred in October 2000. This paper aims at putting these large area events and the apparent increase in debris flow frequency into...

Université de Fribourg

Perturbations to astronomical observations at the European Southern Observatory's very large telescope site in Paranal, Chile: analyses of climatological causes

Beniston, Martin ; Casals, Paula ; Sarazin, Marc S.

In: Theoretical and Applied Climatology, 2002, vol. 73(3-4), p. 133-150

A study has been conducted to assess the reasons for a significant decrease in the astronomic observing period since the Very Large Telescope of ESO (the European Southern Observatory) went into operation in 1998. Following a multi-year monitoring of meteorological parameters at the site of the ESO telescope in Paranal (northern Chile), the optimal climatic conditions observed there prior to the...

Université de Fribourg

Nonlinearities, feedbacks and critical thresholds within the earth's climate system

Rial, José A. ; Pielke, Roger A. ; Beniston, Martin ; Claussen, Martin ; Canadell, Josep ; Cox, Peter ; Held, Hermann ; Noblet-Ducoudré, Nathalie de ; Prinn, Ronald ; Reynolds, James F. ; Salas, José D.

In: Climatic Change, 2004, vol. 65, p. 11

The Earth's climate system is highly nonlinear: inputs and outputs are not proportional, change is often episodic and abrupt, rather than slow and gradual, and multiple equilibria are the norm. While this is widely accepted, there is a relatively poor understanding of the different types of nonlinearities, how they manifest under various conditions, and whether they reflect a climate system...

Université de Fribourg

Evidences of winter ascending air circulation throughout talus slopes and rock glaciers situated in the lower belt of alpine discontinuous permafrost (Swiss Alps)

Delaloye, Reynald ; Lambiel, Christophe

In: Norwegian Journal of Geography

The winter ascending circulation of air throughout an accumulation of coarse slope sediments (the so-called chimney effect) facilitates the cooling of the ground and even the occurrence of permafrost in the lower part of a deposit. Simultaneously, any freezing is unlikely to occur in the upper part. The chimney effect has been reported to date mainly for cold and sometimes perennially frozen...