Working Papers/Reports
Recent Submissions
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Reaktion des Schweizer Waldes auf Nutzung und Klimawandel
(2013)Die Veränderung der Schweizer Waldvegetation wurde anhand von wiederholten Vegetationsaufnahmen untersucht, um die Bedeutung des Klimawandels im Verhältnis zu anderen Faktoren zu schätzen. Die beobachteten Änderungen der Anteile einzelner Baumarten am Bestand und die Änderungen der Höhenverteilungen konnten mit Einflüssen erklärt werden, die nicht vom Klima abhängen. Die Zeigerwertanalyse der Krautvegetation ergab jedoch eine Höhenverschiebung, ...Report -
The social aspect of residential location choice
(2018)Arbeitsberichte Verkehrs- und RaumplanungCommuting has been found to be one of the least enjoyable activities. As it is a consequence of the choice of home and work location, the question arises as to how its disutility is compensated. Urban location theory suggests a compensation in the housing or the labor market. While this provides part of the explanation, individuals’ personal networks may provide additional insights. Data from a social network survey were used to investigate ...Working Paper -
Multi-modal route choice modeling in a dynamic schedule-based transit network
(2018)Route choice behavior has predominantly been analyzed from the angle of a single mode, most often the car. Considering route choice in the broader context of multi- modal networks yet opens the way to more complex policy analysis and wider applications. The main modeling challenges in this context are the limited availability in time of public transport services and the definition of alternatives to the observed path. This paper tackles ...Working Paper -
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Effectiveness of renewable energy subsidies in a CO2 intensive electricity system
(2018)Economics Working Paper SeriesWorking Paper -
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Polynomial chaos expansions for uncertain dynamical systems. Applications in earthquake engineering
(2018)IBK BerichtReport -
Bending resistance and deformation capacity of fibre reinforced glulam beams
(2018)IBK BerichtReport -
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Privacy Loss Classes: The Central Limit Theorem in Differential Privacy
(2018)In recent years, privacy enhancing technologies have gained tremendous momentum and they are expected to keep a sustained importance. Quantifying the degree of privacy offered by any mechanism working on potentially sensitive data is a complex and well-researched topic; epsilon-differential privacy (DP) and its slightly weaker and more versatile variant (epsilon,delta)-approximate differential privacy (ADP) have become the de-facto standard ...Working Paper -
Assessing the welfare impacts of shared mobility and Mobility as a Service (MaaS)
(2018)Arbeitsberichte Verkehrs- und RaumplanungMobility as a Service (MaaS) aims to allow less biased mode choice decisions by overcoming market segmentation. To this end, all available modes are offered at their respective marginal cost for each trip. Such a setting favors shared modes, where fixed costs can be apportioned among a large number of users. In turn, car-sharing, bike-sharing or ride- hailing may themselves become an efficient alternative of public transport. Although ...Working Paper -
Modelling intermodal travel in Switzerland
(2018)Arbeitsberichte Verkehrs- und RaumplanungWe use data from the Swiss national household travel survey to 1. analyse the socioeconomic determinants for intermodal travel in Switzerland and 2. estimate a first large-scale multimodal recursive logit route choice model for urban trip making. We show that intermodal travel is mostly associated with ownership of transit subscriptions, which allow free at the point-of-use public transportation. We also present a framework using open-source ...Working Paper -
Macroprudential Policy in the New Keynesian World
(2018)Economics Working Paper SeriesWorking Paper -
Bicycling accessibility based on dock-less bicycle-sharing data
(2018)Arbeitsberichte Verkehrs- und RaumplanungAccessibility for non-motorized traffic is an important topic in the transportation. To obtain the measures of bicycle accessibility, we estimated the impedance function for different purposes using the Shanghai dock-less bicycle-sharing data. In specific, as the bicycling data have no trip purpose information, the information was imputed by a Dirichlet-multinomial regression topic model (DMR), which could consider the arriving time and ...Working Paper -
Krylov and Modal Subspace based Model Order Reduction with A-Priori Error Estimation
(2018)Versatile model order reduction techniques for the reduction of dynamic systems have been presented in the last decades. Krylov subspace based methods are considered as efficient in terms of computational effort and reduction order and can be used in order to match the transfer function locally. However, they lack of a simple and efficient automatisation and error estimation. On the other hand, modal reduction is popular because it leads ...Working Paper -
Modelling of Moving Interfaces for Reduced-Order Finite Element Models using Trigonometric Interpolation
(2018)Flexible multi-body simulation by means of reduced-order finite element models is gathering in importance for the simulation of mechanical and mechatronic systems like, e.g.\ machine tools or handling systems. Moving of the system's axes involves changing of the coupling position between flexible bodies, and thus, changing of the finite element nodes involved in an interface. Because modern model reduction techniques are based on matching ...Working Paper