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Title: Insider trading and abnormal return on the Swedish stock market Seminar Date: 2015-05-25 Course: FEKN90 Examensarbete på civilekonomprogrammet (30hp) Authors: Philip Ek and Karin Erlinder Advisor: Rikard Larsson Purpose: By using classifications of different kinds of insiders we wish to en-lighten this area of study with empirical evidence of how insiders on the Swedish Stock Exchange
The reality in terms of operational competence has changed. The past tradition of assessing procedural compliance of the individual Air Traffic Controller is today challenged in a dynamic and intractable socio-technical system like Air Traffic Management. Changes in technology and complex system interdependencies, call for an enhanced understanding of the interaction and coupling between the human
On March 30, 2022, Inno4Vac, a public-private partnership funded by the IMI2/EU/EFPIA Joint Undertaking (IMI2 JU), organised a hybrid workshop, titled “Regulatory Dialogue for Road Maps of Implementation of New Tools in Chemistry, Manufacturing, and Controls Dossiers.” This event brought together modellers, regulatory experts, and academic and industry professionals specialising in vaccine process
Objectives: To determine clinical characteristics, outcome and occurrence of comorbidities in patients with biopsy-confirmed giant cell arteritis (GCA) treated with intravenous methylprednisolone (IVMP) vs those receiving oral glucocorticoids (OGC) only. Methods: A retrospective study included patients with GCA diagnosed from 2004 through 2019. Clinical and laboratory characteristics, and cumulati
Climatic factors and water and land use management mainly impact dust storm frequency and intensity. Water scarcity and a drier climate will lead to more severe and frequent dust storms in the near and far future. This makes dust storm susceptibility a dynamic phenomenon requiring spatiotemporal analyses. Regarding the complexity of this phenomenon, this chapter discusses AI-based methods for spat
Background/Objectives: Intraoperative frozen biopsies are essential during surgery for Hirschsprung’s disease (HD). However, this method has several limitations with the need for a faster and real-time diagnostic alternative. For this, consistent histoanatomical and morphometric differences between aganglionic and ganglionic bowel must be established. The primary objective was to compare dimension
This study evaluates how well five Regional Climate Model (RCM) projections at resolutions from 44 km to 3 km reproduce wet and dry spells compared with observations at six locations in Scania, southern Sweden. Future changes in general and extreme wet and dry signals were also analyzed under RCP8.5 to the end of the 21st century. Convection-permitting climate models (CPMs), operating at resolutio
Despite significant progress in oncology research, pancreatic cancer remains inherently difficult to treat, and the mechanisms underlying therapeutic resistance remain unresolved. Decorin (DCN), a member of the family of small leucine-rich proteoglycans, has emerged as a versatile actor in various malignant diseases. The aim of this study was to further explore the potential clinical significance
To predict the service life of a structure, a model where the exposure of a structure is compared to its resistance can be used. Which exposure and resistance parameters that are relevant depend on which materials the structure consist of. This approach, with an exposure and a resistance parameter, is similar to the one used in structural engineering where a load (exposure) is compared to the bear
The present study evaluated the clinical efficacy of chemotherapy in combination with cytokine-induced killer (CIK) biotherapy compared to the chemotherapy alone. Fifty-nine advanced non-small cell lung cancer (NSCLC) patients were randomly divided into two groups, group A (chemotherapy, alone, including docetaxel 75 mg/m(2), day 1; cisplatin, 25 mg/m(2), days 1-4, tri-weekly) and group B (chemoth
Background. Many individuals are infected with the bacterium Helicobacter pylori. Some develop ulcers or mucosal atrophy. Aims. To correlate the histological characteristics of the H. pylori-induced gastritis to the immunoblot pattern of the H. pylori infection and to compare the presence of H. pylori bacteria in tissue specimens with ELISA serology and immunoblot analysis. Methods. One hundred an
The responses of the benthic marine dinoflagellate Prorocentrum lima to nutrient stress induced by unbalanced N:P ratios were the subject of this study. Batch cultures of P. lima cells were grown under NP sufficient (N as nitrate and ammonium) and deficient conditions, and the cell growth and toxicity were followed for eight weeks. P. lima grew slowly in all nutrient conditions and net growth rate
Morphologic evaluation of samples from fine-needle aspiration (FNA) and core needle (CN) biopsies is an important part of the pretreatment diagnosis of bone and soft tissue tumors. Because most such tumors have characteristic, sometimes even specific, chromosomal rearrangements, ancillary genetic analyses could provide important diagnostic information. Whereas directed analyses, such as fluorescen
In most of the industrial world the fractions of older people continuously increase (OECD, 2011). The upcoming demographic change is described as a threat to societal service. Many societies have to motivate people to work until an older age to increase the number of working hours in the economy (Eurostat, 2010). Factors important to whether older workers extend their working life are complex, mul
Background: Teachers are at high risk of stress-related disorders. This study aimed to examine the occurrence of burnout in a sample of Swedish school-teachers, to test a combined measure of three burnout dimensions on the individual level, to characterize associations between burnout and factors encountered during work and leisure time, and to explore any differences between the genders. Methods:
The ‘BOADICEA’ Web Application (BWA) used to assess breast cancer risk, is currently being further developed, to integrate additional genetic and non-genetic factors. We surveyed clinicians’ perceived acceptability of the existing BWA v3. An online survey was conducted through the BOADICEA website, and the British, Dutch, French and Swedish genetics societies. Cross-sectional data from 443 partici
Background: The WHO and the World Bank ask countries to report the national volume of surgery. This report describes these data for Sweden, a high-income country. Methods: In an 8-year population-based observational cohort study, all inpatient and outpatient care in the public and private sectors was detected in the Swedish National Patient Register and screened for the occurrence of surgery. The
Objective: Children of mothers with severe mental illness are at significantly increased risk of developing intellectual disability. Obstetric complications are also implicated in the risk for intellectual disability. Moreover, children of mothers with severe mental illness are more likely to be exposed to obstetric complications. The purpose of this study was to examine the independent and joint
Background Perfluoroalkyl substances (PFAS) are used in numerous consumer products. They are persistent, bioaccumulating, and suspected to be endocrine disrupting chemicals (EDCs). A growing body of research has reported the association between PFAS exposure and adverse health effects. Concerns have been raised with special focus in childhood development. Methods Perfluoroheptanoic acid (PFHpA), p
Early-life lead exposure impairs neurodevelopment and later exposure affects the cardiovascular system. Lead has been associated with reduced global 5-methylcytosine DNA methylation, suggesting that lead toxicity acts through epigenetic mechanisms. The objective of this study is to clarify how early-life lead exposure alters DNA methylation of specific genes, using an epigenomic approach. We measu
