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Université de Fribourg

Das House Kapital

Grossmann, Volker ; Larin, Benjamin ; Steger, Thomas

(Working Papers SES ; 523)

The housing wealth-to-income ratio has been increasing in most developed economies since the 1950s. We provide a novel theory to explain this long-term pattern. We show analytically that house prices grow in the steady state if i) the housing sector is more land-intensive than the non-housing sector, or ii) technological progress in the construction sector is weaker than in the non-housing...

Università della Svizzera italiana

Reducing simulator sickness with perceptual camera control

Hu, Ping ; Sun, Qi ; Didyk, Piotr ; Wei, Li-Yi ; Kaufman, Arie E.

In: ACM transactions on graphics, 2020, vol. 38, no. 6, p. 15 p

Virtual-reality provides an immersive environment but can induce cybersickness due to the discrepancy between visual and vestibular cues. To avoid this problem, the movement of the virtual camera needs to match the motion of the user in the real world. Unfortunately, this is usually difficult due to the mismatch between the size of the virtual environments and the space available to the users...

Università della Svizzera italiana

Fabrication-in-the-loop co-optimization of surfaces and styli for drawing haptics

Piovarči, Michal ; Kaufman, Danny M. ; Levin, David I. W. ; Didyk, Piotr

In: ACM transactions on graphics, 2020, vol. 39, no. 4, p. 16 p

Digital drawing tools are now standard in art and design workflows. These tools offer comfort, portability, and precision as well as native integration with digital-art workflows, software, and tools. At the same time, artists continue to work with long-standing, traditional drawing tools. One feature of traditional tools, well-appreciated by many artists and lacking in digital tools, is the...

Université de Fribourg

Holistic view on cell survival and dna damage: how model-based data analysis supports exploration of dynamics in biological systems

Weyland, Mathias S. ; Thumser-Henner, Pauline ; Nytko, Katarzyna J. ; Rohrer Bley, Carla ; Ulzega, Simone ; Petri-Fink, Alke ; Lattuada, Marco ; Füchslin, Rudolf M. ; Scheidegger, Stephan

In: Computational and Mathematical Methods in Medicine, 2020, vol. 2020, p. 1–11

In this work, a method is established to calibrate a model that describes the basic dynamics of DNA damage and repair. The model can be used to extend planning for radiotherapy and hyperthermia in order to include the biological effects. In contrast to “syntactic” models (e.g., describing molecular kinetics), the model used here describes radiobiological semantics, resulting in a more...

Université de Fribourg

Medical and long-term care with endogenous health and longevity

Schünemann, Johannes ; Strulik, Holger ; Trimborn, Timo

(Working Papers SES ; 505 (revised))

For the population over 65, long-term care (LTC) expenditure constitutes a considerable share in total health expenditures. In this paper, we distinguish between medical care, intended to improve one›s state of health, and personal care required for daily routine. Personal care can be either carried out autonomously or by a third party. In the course of aging, autonomous personal care is...

Université de Fribourg

Medical and nursery care with endogenous health and longevity

Schünemann, Johannes ; Strulik, Holger ; Trimborn, Timo

(Working Papers SES ; 505)

For the population over 65, nursery care expenditures constitute on average the largest share in total health expenditures. In this paper, we distinguish between medical care, intended to improve ones state of health, and personal care required for daily routine. Personal care can be either carried out autonomously or by a third party. In the course of aging, autonomous personal care is...

Université de Fribourg

Calibrated ice thickness estimate for all glaciers in Austria

Helfricht, Kay ; Huss, Matthias ; Fischer, Andrea ; Otto, Jan-Christoph

In: Frontiers in Earth Science, 2019, vol. 7, p. -

Knowledge on ice thickness distribution and total ice volume is a prerequisite for computing future glacier change for both glaciological and hydrological applications. Various ice thickness estimation methods have been developed but regional differences in fundamental model parameters are substantial. Parameters calibrated with measured data at specific points in time and space can vary when...

Consortium of Swiss Academic Libraries

An Independent Review of Existing Total Solar Irradiance Records

Zacharias, Pia

In: Surveys in Geophysics, 2014, vol. 35, no. 4, p. 897-912