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Università della Svizzera italiana

Televisione e digitale : analisi dei mutamenti delle strategie di programmazione televisiva dall'analogico al digitale = Digital television : an analysis of the changes in the television scheduling strategy with the migration from the analogic phase to the digital one

Imberti Dosi, Arianna ; Richeri, Giuseppe (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2005 ; 2005COM002.

L’obiettivo principale del presente studio è l’analisi dei mutamenti nella strategia di programmazione televisiva con il passaggio dalla fase analogica a quella digitale. La digitalizzazione del segnale televisivo (terrestre, via satellite o via cavo) trasforma profondamente il settore dell’audiovisivo portando in scena nuovi attori e imponendo la definizione di nuove regole. Ovviamente,...

Università della Svizzera italiana

A map of e-Learning

Botturi, Luca ; Tagliatesta, Beatrice

In: 7th International netties conference : 3rd International conference on new learning technologies : Fribourg, Switzerland - September 13th to 15th 2001, 2001, p. 2.2.1.-2.2.7

Goal of the paper is to provide a map of e-learning, in order to help understanding the great complexity of situations hidden under this new and trendy term. Education environments are analyzed according to four main directions: learning models, didactic relationships, activities and technology pervasiveness. The analysis reveals that many apparently new ideas do not depend strictly on new media:...

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

A framework for the evaluation of visual languages for instructional design : the case of E2ML

Botturi, Luca

In: Journal of Interactive Learning Research, 2005, vol. 16, p. 329-343

In the last years, Instructional Design has seen the development of visual notation systems for supporting and enhancing the design process. A part of them concern the definition of learning goals, while others address the definition of learning activities or learning materials. These tools supposedly reduce the cognitive load and enhance design communication. Few contributions try to assess the...

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

The use of a variable cost function in the regulation of the Italian water industry

Antonioli, Barbara ; Filippini, Massimo

The purpose of this study is to estimate a multivariate variable cost function in order to analyze the cost structure of a sample of Italian water distribution companies. The empirical results of this study could be used by the Italian Regulation Authority of this sector for two purposes: first, to improve the actual tariff regulation process, based on a benchmarking of variable costs, and...

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...

Università della Svizzera italiana

A robust bayesian approach to portfolio selection

Passarin, Katia ; Ronchetti, Elvezio (Dir.) ; Trojani, Fabio (Codir.)

Thèse de doctorat : Università della Svizzera italiana, 2004.

This thesis aims at studying the local robustness properties of Bayesian posterior summaries and deriving a robust procedure to estimate Bayesian Mean-Variance weights in a portfolio selection problem. In the first part, we study the local robustness of Bayesian estimators. In particular, we build a framework wherein any Bayesian quantity can be seen as a posterior functional. In this way it...