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Università della Svizzera italiana

Three essays on the role of federalism in the Swiss healthcare system

Salari, Paola ; Mazzonna, Fabrizio (Dir.) ; Crivelli, Luca (Codir.)

Thèse de doctorat : Università della Svizzera italiana, 2015 ; 2015ECO003.

Switzerland is a country with a strongly decentralized political system, based on federalism and institutions of direct democracy, on a liberal economic culture, and on a well-developed tradition of mutualism and social security (generous social expenditure and welfare system). Switzerland is unique for its high level of decentralization and for the particular distribution of competences and...

Università della Svizzera italiana

Statistical models for the analysis of short user-generated documents : author identification for conversational documents

Inches, Giacomo ; Crestani, Fabio (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2014 ; 2014INFO019.

In recent years short user-generated documents have been gaining popularity on the Internet and attention in the research communities. This kind of documents are generated by users of the various online services: platforms for instant messaging communication, for real-time status posting, for discussing and for writing reviews. Each of these services allows users to generate written texts...

Università della Svizzera italiana

An SMT-based verification framework for software systems handling arrays

Alberti, Francesco ; Sharygina, Natasha (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2015 ; 2015INFO003.

Recent advances in the areas of automated reasoning and first-order theorem proving paved the way to the developing of effective tools for the rigorous formal analysis of computer systems. Nowadays many formal verification frameworks are built over highly engineered tools (SMT-solvers) implementing decision procedures for quantifier- free fragments of theories of interest for (dis)proving...

Università della Svizzera italiana

Test generation for high coverage with abstraction refinement and coarsening (ARC)

Baluda, Mauro ; Pezzè, Mauro (Dir.) ; Denaro, Giovanni (Codir.)

Thèse de doctorat : Università della Svizzera italiana, 2014 ; 2014INFO018.

Testing is the main approach used in the software industry to expose failures. Producing thorough test suites is an expensive and error prone task that can greatly benefit from automation. Two challenging problems in test automation are generating test input and evaluating the adequacy of test suites: the first amounts to producing a set of test cases that accurately represent the software...

Università della Svizzera italiana

Corporate governance and its political economy

Vatiero, Massimiliano ; Roe, Mark J.

To fully understand governance and authority in the large corporation, one must attend to politics. Because basic dimensions of corporate organization can affect the interests of voters, because powerful concentrated interest groups seek particular outcomes that deeply affect large corporations, because those deploying corporate and financial resources from within the corporation to buttress...

Università della Svizzera italiana

Richard Stone : an annotated bibliography

Baranzini, Mauro ; Marangoni, Giandemetrio

Lugano : Università della Svizzera italiana, 2015

ISBN: 978-88-6101-014-7

This ‘Annotated Bibliography’ is part of the ‘Stone Collection’ at the Central Library of the University of Lugano. It presents brief comments on each item in the Collection, biographical notes and some more general considerations. The Collection comprises Richard Stone’s complete works in the field of economics and consists of approximately 200 articles and books, published between...

Università della Svizzera italiana

The irony of networks

Markovic, Josip ; Cristofoli, Daniela (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2015 ; 2015ECO002.

By the end of the 1970s, it became evident that hierarchies were not always the most efficient and effective solution for complex problems in increasingly plural and fragmented societies. During the last 40 years governance structures and practices in the public sector have shifted towards new logics that direct the way the public sector is functioning. This dissertation deals with use of ...

Università della Svizzera italiana

Frictions, behavioral biases and active portfolio management

Eisele, Alexander ; Nowak, Eric (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2014 ; 2014ECO012.

The three chapters of this thesis contribute to the following research questions: (i) What is the role of agency frictions for the performance of mutual funds? (ii) What is the role of market frictions for the performance of hedge funds? (iii) Do hedge funds profit from the behavioral biases of other market participants? The first chapter of this thesis comprises the article "Are Star Funds...

Università della Svizzera italiana

Experimental evidence of unethical gift reconstruction in consumer moral reasoning

Pizzetti, Marta ; Seele, Peter ; Gibbert, Michael

There are empirical evidences that consumers do not walk the talk. Although they express a preference for ethical products, they often consume indifferently. Nonetheless, we know little about the factors that facilitate unethical consumption. This article uses the experimental method to investigate the unethical consumption in the gifting experience context and the impact of psychological...

Università della Svizzera italiana

Data-based analysis of extreme events : inference, numerics and applications

Kaiser, Olga ; Horenko, Illia (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2015 ; 2015INFO002.

The concept of extreme events describes the above average behavior of a process, for instance, heat waves in climate or weather research, earthquakes in geology and financial crashes in economics. It is significant to study the behavior of extremes, in order to reduce their negative impacts. Key objectives include the identification of the appropriate mathematical/statistical model, description...