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Università della Svizzera italiana

Coupling different discretizations for fluid structure interaction in a monolithic approach

Steiner, Johannes ; Krause, Rolf (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2014 ; 2014INFO010.

In this thesis we present a monolithic coupling approach for the simulation of phenomena involving interacting fluid and structure using different discretizations for the subproblems. For many applications in fluid dynamics, the Finite Volume method is the first choice in simulation science. Likewise, for the simulation of structural mechanics the Finite Element method is one of the most, if...

Università della Svizzera italiana

Direct democracy, partial decentralization and voter information : evidence from Swiss municipalities

Galletta, Sergio

In this paper I investigate whether changes in the availability of direct democratic institutions in local Swiss jurisdictions affect expenditure decentralization. By using a panel-based difference in differences estimation I find a statistically significant reduction in decentralization when the mandatory fiscal referendum is introduced at the local level. This result is consistent with the...

Università della Svizzera italiana

1001stories+ : An effective and affordable multi-media, multi-format communication framework for cultural heritage institutions

Negrini, Michela ; Paolini, Paolo (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2014 ; 2014COM013.

Over the last decade, there has been an increasing number of technologies and devices (including smartphones, tablets and alike) able to provide new perspectives for the use of multimedia applications in the field of Cultural Heritage. This work arises from the interest in providing better authoring/delivery possibilities to cultural heritage institutions (small and medium sized in particular). ...

Università della Svizzera italiana

Wir und die "Anderen" : Einstellungen zu den "Fremden" bei Jugendlichen mit und ohne Migrationshintergrund

Franco Cabrera Grütter, Victoria ; Poglia, Edo (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2014 ; 2014COM012.

In der vorliegenden Arbeit wird aus Sicht der interkulturellen Kommunikation der Frage nach der Einstellung zu den „Anderen“ nachgegangen und wie diese in Zusammenhang mit dem Migrations- oder Nicht-Migrationshintergrund steht. Lassen sich Unterschiede zwischen Jugendlichen mit und ohne Migrationshintergrund feststellen? In bisher realisierten Studien wurde bereits nachgewiesen, dass eine...

Università della Svizzera italiana

Higher-order Voronoi diagrams of polygonal objects

Zavershynskyi, Maksym ; Papadopoulou, Evanthia (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2014 ; 2014INFO009.

Higher-order Voronoi diagrams are fundamental geometric structures which encode the k-nearest neighbor information. Thus, they aid in computations that require proximity information beyond the nearest neighbor. They are related to various favorite structures in computational geometry and are a fascinating combinatorial problem to study. While higher-order Voronoi diagrams of points have been...

Università della Svizzera italiana

Three essays on problem-solving in collaborative open productions

Tonellato, Marco ; Lomi, Alessandro (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2014 ; 2014ECO010.

The term “open production” is frequently used to describe production systems that rely on volunteer participants who are willing to participate, produce, and bear private costs in order to provide a public good. Examples of open production are becoming increasingly common in many industries. What make these productions possible? How may they be sustained in a world of organizations in which...

Università della Svizzera italiana

Understanding tourist behaviour in terms of activeness and intra-destination movement patterns for managing tourism experience

Zoltan, Judit ; Maggi, Rico (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2014 ; 2014ECO011.

The dissertation is focusing on the demand side of tourism, in particular on tourists’ consumption of a destination and on the conceptualization of their decision process during visitation. Travel behaviour can be related to and motivated by several factors and the analysis of these factors allows a better understanding of tourists’ movements and activity participation. This information can...

Università della Svizzera italiana

Antibiotic consumption and the role of dispensing physicians

Filippini, Massimo ; Heimsch, Fabian ; Masiero, Giuliano

In: Regional Science and urban economics, 2014, vol. 49, p. 242-251

The benefits of separating drug prescribing and dispensing are still unclear, in particular when drug consumption is characterized by important spillovers. We investigate the role of dispensing physicians in the consumption of antibiotics characterized by two opposite external effects: infection prevention and control, and bacterial resistance. We model the interaction between competing...

Università della Svizzera italiana

Short term effects of public smoking bans on health

Mazzonna, Fabrizio ; Salari, Paola

This paper evaluates the causal negative effect of environmental tobacco exposure on health by exploiting the time and geographical variation in public-place smoking bans implemented in Switzerland between 2007 and 2011. Using monthly data from the universe of Swiss hospitals between 2004 and 2012, we show that the incidence of acute myocardial infarction hospitalizations decreases by about...

Università della Svizzera italiana

Three essays on financial intermediation

Vu, Hien Quoc ; Degeorge, François (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2014 ; 2014ECO009.

Financial intermediation plays a central role in connecting capital demanders, i. e. firms, and capital suppliers, i. e. investors. My essays focus on two types of financial intermediaries, namely investment banks, who provide a variety of services for firms and institutional investors, and sell-side security analysts, who analyze and provide information about firms, mainly, to institutional...