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We investigate to what degree return on technology stocks are affected by industry-, country- and global factors. Furthermore, the analysis is extended to look deeper into the industry factors by examining what the exposure of technology stocks to industry-specific shocks is caused by. In previous studies, the aim has been to try to determine whether industry-, country- or global effects are the m
This paper examines the properties of the two recent structural break unit root tests developed in Harvey, Leybourne and Taylor (2013) and Narayan and Popp (2010). The properties are investigated by Monte Carlo simulations in an environment where two trend breaks of small to large magnitudes are present. We find that the Harvey, Leybourne and Taylor (2013) test has superior size and power properti
Automatic segmentation of organs and tissues in computed tomography (CT) images can aid clinicians in anatomical contextualization for planning surgery or dosimetry. CT scans can cover varying axial ranges of the body. This thesis aims to develop a neural network based on vision transformers for segmenting organs and tissues in CT images of arbitrary axial ranges. Two models are presented, one bas
In light of the shortcomings of dominant recycling strategies in dealing with the plastic crisis, the circularity strategy of reuse is receiving increasing attention. Due to its goal of extending product lifespans, reuse is often seen as a more progressive strategy that aims to prevent waste rather than diverting it. Investigating the emerging phenomenon of reuse organizations in a multiple-case s
Soccer is witnessing technological advancements in a variety of areas, of which many are dependent on camera calibration. This thesis addresses the challenge of calibrating the extrinsic parameters of cameras used in soccer broadcasts using a monocular view of the field. Accurate camera calibration is essential for various applications such as player positioning, field modelling, and improving the
This research examines how consideration of place attachment and community values can inform the development and implementation of fair and equitable climate change adaptation (CCA) practices in the Australian local government context. The research adopts a qualitative approach, using semi-structured interviews with expert interviewees and reflective thematic analysis to answer three research ques
In the context of China’s concerning decline in fertility rates and the widespread normalization of the ‘996’ overtime culture, the connection between overtime work and fertility assumes considerable importance. This research is firmly grounded in the theoretical framework of the Theory of Planned Behavior (Ajzen, 1991), which investigates the complex relationship between overtime work and fertili
Studying dissolution of oral drug substances is crucial throughout the drug development process. Current methods are time consuming and require large quantities of both the drug and dissolution media. Thus, exploring new methods is highly desirable. UV imaging, an analytical technique based on real-time absorbance measurements, can be used in early drug discovery to study drug dissolution and has
Transylvania’s countryside, characterized by a mostly agrarian society with a rich multicultural heritage is being threatened by Romania’s tendencies of chaotic modernization and rapid urbanization. This research aims to find a viable solution for sustaining the cultural, natural, and social environment in rural Transylvania, by analysing the potential of tourism development. Integrated Rural Tour
Den digitala omställningen har ökat genom åren och har fungerat till en fördel för företag och organisationer generellt. Hastigheten på transformationstillväxten har bibehållits i nutid, vilket har resulterat i att mjukvarusystem utvecklas kontinuerligt. Som en naturlig effekt av detta fenomen, bör aktuella företag alltid ligga i framkant för att förbli konkurrenskraftiga. Studier har visat att pr
Title: From Board Games to Unicorns: Gamification and Its Impact on Ideation for Nascent Entrepreneurs Seminar date: January 11th, 2023 Course: FEKH99, Bachelor Degree Project in Entrepreneurship and Innovation Management, Business administration, Undergraduate level, 15 University Credit Points Authors: Jonathan Andersson, Måns Heurlin, Jonathan Rooth Supervisor: Joakim Winborg Keywords: Ga
The primary settling tank (PST) is often one of the first treatment steps at a wastewater treatment plant (WWTP) and is the first process in the plant to remove significant amounts of suspended solids. Its role in wastewater treatment however, has oftentimes been neglected and little effort has been made to optimize and model the process. The PSTs have historically been designed based on hydraulic
Growing amounts of waste generation in remote areas without proper waste management systems is a problem to human health and the environment. The Amazon holds the biggest freshwater resources in the world, is a biodiversity hotspot and its communities are placed in distances that can take days by boat to be reached. A National policy with EPR instruments requires private companies to take-back pac
Geographical Information Systems (GISs) have shown to be of great help in the work at contaminated sites. Today there is an increase in the development of 3D modeling in many fields. However, to combine the advantage working with spatial data in a GIS and 3D modeling for subsurface soil data is limited. In this study, the possibilities of interpolating volumes of soil contamination in 3D were inve
The advent and popularity of shared electric scooters in many urban areas worldwide offer new opportunities and challenges to be addressed by the research community, especially as far as safety and accessibility issues are concerned. This paper proposes a methodology, based on geofencing technology (i.e., virtual geographic boundaries) to define in which urban areas the speed of shared electric sc
Background. We investigated how varying the treatment margin and applying hippocampal sparing and proton therapy impact the risk of neurocognitive impairment in pediatric medulloblastoma patients compared with current standard 3D conformal radiotherapy. Methods. We included 17 pediatric medulloblastoma patients to represent the variability in tumor location relative to the hippocampal region. Trea
This study investigated the dosimetric impact of uncompensated motion and motion compensation with dynamic multileaf collimator (DMLC) tracking for prostate intensity modulated arc therapy. Two treatment approaches were investigated; a conventional approach with a uniform radiation dose to the target volume and an intraprostatic lesion (IPL) boosted approach with an increased dose to a subvolume o
Responsible internationalization has become an increasingly used term to promote relationship building in a world which is increasingly shaped by the growing impact of global challenges and geopolitical competition. Amidst these changing global conditions researchers and universities have started to learn that they need to adhere to an expanded set of norms related to the research endeavor. Today
