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Université de Neuchâtel

Modeling latent variables in economics and finance

Bluteau, Keven ; Ardia, David (Dir.) ; Boudt, Kris (Codir.)

Thèse de doctorat : Université de Neuchâtel, 2019 ; 2758.

The subject of unobservable variables encompasses this thesis. These latent (i.e., unobservable) variables must be inferred using statistical models or observable proxies. The objectives of my doctoral thesis are to develop and test new statistical models to infer these variables and link them to the analysis and improvement of economic and financial decisions. In my first essay, I tackle...

Università della Svizzera italiana

Three essays in labor economics

Gentili, Elena ; Mazzonna, Fabrizio (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2019 ; 2019ECO003.

In this thesis, I investigate two of the main challenges faced by developed societies: aging and migration. In the first chapter, I consider the cultural determinants of elderly care arrangement decisions. The empirical strategy focuses on the three German and French speaking Swiss bilingual cantons. Particularly, since the structure of long-term care provision is planned at cantonal level, I...

Université de Neuchâtel

Rubidium vapour-cell frequency standards : metrology of optical and microwave frequency references

Moreno, William ; Mileti, Gaetano (Dir.)

Thèse de doctorat : Université de Neuchâtel, 2019.

This thesis concerns the development, study, and optimisation of compact and high-performance frequency references based on rubidium (Rb) vapour cells1. More specially, two Rb vapour-cell frequency references are studied: an optical-frequency reference at 1.5 μm and a double-resonance pulsed optically pumped (POP) atomic clock. The use of vapour cells allows compact frequency...

Université de Neuchâtel

Measurements of grammaticalization : developing a quantitative index for the study of grammatical change

Correia Saavedra, David ; Hilpert, Martin (Dir.) ; Petré, Peter (Codir.)

Thèse de doctorat : Université de Neuchâtel, 2019.

There is a broad consensus that grammaticalization is a process that is gradual and largely unidirectional: lexical elements acquire grammatical functions, and grammatical elements can undergo further grammaticalization (Hopper and Traugott 2003). This consensus is based on substantial cross-linguistic evidence. While most existing studies present qualitative evidence, this dissertation discusses...

Université de Fribourg

Changer le travail ou changer la société ? : Les hackers entre conformation à l'ordre social et volonté d'innover

Zufferey, Eric ; Surdez, Muriel (Dir.)

Thèse de doctorat : Université de Fribourg, 2018.

Changing workplace or society? Hackers between compliance with the social order and the will to innovate. This thesis looks at hacking as source of social change, or even subversion of the social order. Hacking involves self-directed learning and remove social barriers between hobbyists, professionals and activists. Therefore, it raises the hope to renew the access to knowledge and the role of...

Università della Svizzera italiana

Enhancing multi-scale cardiac simulations by coupling electrophysiology and mechanics : a flexible high performance approach to cardiac electromechanics

Pozzi, Sonia ; Krause, Rolf (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2019 ; 2019INFO005.

This work focuses on the development of computational methods for the simulation of the propagation of the electrical potential in the heart and of the resulting mechanical contraction. The interaction of these two physical phenomena is described by an electromechanical model which consists of the monodomain system, which describes the propagation of the action potential in the cardiac tissue,...

Università della Svizzera italiana

Monetary policy and interest rate products

Zurowski, Wojciech ; Schneider, Paul (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2019 ; 20019ECO002.

My PhD thesis consists of three papers which study how interest rate products' prices react to both the central bank's policy goals and communication. As tool I make use of various econometric techniques such as affine models, general method of moments or Haar like filtering. The first chapter studies government bond excess term premia. I show that their predictability is driven by monetary...

Université de Neuchâtel

Groundwater recharge dynamics by snowmelt

Meeks, Jessica ; Hunkeler, Daniel (Dir.)

Thèse de doctorat : Université de Neuchâtel, 2018.

Understanding the recharge mechanisms for karst aquifers is of great importance because these aquifers are relied upon by a quarter of Earth’s population, and because their recharge and discharge dynamics are often strongly coupled. Given this coupling, karst groundwater resources are inherently susceptible to surface processes such as climate, where the timing and volume of water infiltration...

Université de Neuchâtel

Increasing the size of metalla-assemblies to target the EPR-effect of tumors and solid cancers

Mannancherril, Vidya ; Therrien, Bruno (Dir.)

Thèse de doctorat : Université de Neuchâtel, 2019.

Cancer, a malignant disease, is one of the leading causes of mortality and morbidity among humans. However, selective targeting of cancerous tissue remains challenging. The enhanced permeability and retention effect (EPR-effect), a naturally occurring phenomenon in solid cancerous tissue, is a suitable treatment pathway to selectively target cancerous tissues, whereas healthy tissue remains...

Université de Neuchâtel

Handling auxiliary variables in survey sampling and nonresponse

Vallée, Audrey-Anne ; Tillé, Yves (Dir.)

Thèse de doctorat : Université de Neuchâtel, 2019.

This manuscript is dedicated to the use of auxiliary information in survey sampling and nonresponse. We are interested in the integration of auxiliary variables in sampling methods and in the treatment of nonresponse to improve the efficiency and the precision of surveys. We also deal with the calculation of the precision of estimators. Indeed, variances rapidly become difficult to calculate when...