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In this thesis the effects of utilizing the sample covariance matrix in the estimation of the global minimum variance (GMV) portfolio are presented. When the number of assets, N, are close to the number of observations, T, the sample covariance matrix approaches singularity, leading to a lot of uncertainties in form of estimation error. Due to that the computations of the sample GMV portfolio are
För att arbetsgivare ska kunna bedriva konkurrenskraftig och effektiv verksamhet krävs det att arbetstagare besitter kunskap och kompetens som motsvarar företagsbehoven. Syftet med denna uppsats är att analysera rättsläget kring arbetsgivarens möjligheter respektive begränsningar att tillgodogöra sig behovet av den kompetens som erfordras. Genom att ha undersökt omständigheter där arbetsgivaren la
Earlier studies have shown that when assessing explanations of psychological phenomena, there is a bias for explanations including references to neuroscience, even when these references contain logically irrelevant information (Fernandez-Duque, Evans, Christian & Hodges, 2015; M inahan & Siedlecki, 2016; Weisberg, Keil, Goodstein, Rawson and Gray, 2008; Weisberg, Taylor & Hopkins, 2015
This paper examines how trust in national and European institutions, as surveyed in the Eurobarometer, has been affected by the 2008 global financial crisis. By using a recently published database on financial crises in Europe for the EU-countries between 1999 and 2017 a series of panel regressions gives strong support for the hypothesis that a financial crisis has a negative effect on institution
With the need for housing in Sweden high and steadily growing, there is now more emphasis than before on urban expansion in cities. Built areas consist of social relationships, structures and contacts which can be described as social risks when they lead to negative effects. Social effects are altered by changes in the physical environment, which is why it is essential to properly plan out these e
The study explores the influence of agro-processing activities in the lives and livelihoods of cassava farmers in five communities located in four districts in the Ashanti and Volta regions in Ghana. The qualitative research is done by performing thirty-six semi-structured interviews to farmers and stakeholders along the cassava value chain. The research concludes that agro-processing activities a
This feasabilitystudie aims to investigate fidelity and effect during the implementation process of an imported intervention in Sweden. Attachment & Biobehavioral Catch-up (ABC) is a 10-session, evidence-based parenting program. The current paper describes the implementation effort, including cultural adaptation and pandemic effect of switching from physical home visiting to digital home visit
With the rise in urbanization and cities fulfilling sustainability challenges, companies across the globe are moving towards circularity. One approach adopted towards circularity is of reverse logistics where companies take back EOL/EOU products. In the furniture industry, this approach towards circularity is coupled with consumers being asked to transport the EOL/EOU furniture to second-hand/ret
Med den ökade urbaniseringen som de flesta städer står inför, är utbyggnad av större anläggningar och hushåll oundviklig. Denna expansion medför ett behov av mer tillgänglig markyta att bygga på, vilket även innebär att platser med varierande markförhållandena behöver utnyttjas. Detta kan resultera i att markegenskaperna inte alltid är passande för stora anläggningar. En lösning till detta problemWith the increased urbanization major cities are facing, expansion of larger facilities and households are inevitable. Expansion means larger areas of the surface needs to be used where the risk of varying subsurface soil properties increases with larger surface areas. This can result in soil properties that might not be stable enough to support these constructions. A potential solution to solve t
System on Chip (SoC) designs contain a variety of Intellectual Property (IP) cores, including digital signal processing blocks, media and graphics processing units, as well as processing core units that employ multiple-port memories to enhance performance and bandwidth. These memories allow parallel read/write operations from the same memory blocks from different ports. Due to the enormous number
Purpose: The purpose of this paper is to explore the usage of NFT’s in branding through the introduction of a framework that explores the correlation between the practical benefits for the NFT user and Brand Awareness or Brand Loyalty for the Brand. Methodology: To fulfill the papers’ purpose we conducted a literature review and a qualitative study exploring four different cases; NBA, J.D. Sports
This paper sets out to describe the European union’s understanding of culture, to contribute to the discussion on the European union’s use of culture to create unity within Europe; that can support the legitimacy of the union. The problem guiding the study is that Europe is not given as a unit though it often presents itself that way. The question that will be answered, is how the European union’s
The purpose of this essay is to show how the Vinnova financed pilot project Internet of Things (IoT) can be regarded as an expression of the marketing of places as a management of control measure. The so-called Place marketing is a theory referring to the development of brands and identities in geographic regions as an instrument for political orientation as well as a transitional process. The stu
Våld i nära relationer utgör ett erkänt samhällsproblem. De våldsoffer som befinner sig i en anknytningsrelation möter på grund av dagens migrationsrättsliga regelverk särskilda svårigheter, samtidigt som de i egenskap av att vara nyanlända är särskilt sårbara. Denna uppsats utreder ur ett intersektionellt perspektiv hur skyddet för våldsoffer i anknytningsrelationer bör stärkas. Uppsatsen identifDomestic violence is recognised as a major social problem. Victims of violence whose migration status depend on that of their spouse face certain complex problems due to the legal framework of today. Furthermore, they might be even more vulnerable due to their migration status. This essay examines, through the concept of intersectionality, how the protection of migrant victims of violence could be
Syftet med den här undersökningen var att få en djupare förståelse för män som utsätts för våld i nära relation av en kvinnlig partner. Vi har undersökt vilka normer som finns inbäddade i det faktum att en man blir slagen av en kvinna och hur dessa normer har påverkat männens syn på sin egen roll och valet att inte söka hjälp ur sin situation. Empirin har samlats in genom fyra självbiografier skriThe purpose of this study was to get a deeper understanding of men who are exposed to domestic violence by their female partners. We have examined the embedded norms related to the fact, that a man gets beaten by a woman, and how these norms have affected these men’s views on their role and their choice not to seek assistance to get out of their situation. The empirical data has been collected thr
Sammanfattning “Bemanning” är idag ett inarbetat begrepp som innebär att ett bemanningsföretag anställer personal för att hyra ut dessa till att utföra arbete hos ett kundföretag. Det betyder att det normala anställningsförhållandet mellan en arbetsgivare och en arbetstagare får en tredje involverad part. Branschen har växt sedan början av 90-talet och har kommit att bli en allt mer etablerad del Abstract The staffing agency is today a well-known concept. Staffing agencies hire employees in order to rent them out to companies to fill vacancies on the market. This means that the traditional employment relationship between the employer and the employee now often involves a third party. The industry has grown since the early nineties and has become an established part of the labour market due
In this study, Sweden’s role in the negotiations towards managing greenhouse gas emissions from international aviation in the UN specialized agency International Civil Aviation Organisation (ICAO) is analysed. In 2016, ICAO decided to implement an emissions offsetting mechanism for international aviation, called CORSIA (Carbon Offsetting and Reduction System for International Aviation). CORSIA has
Syfte: Syftet med studien är att undersöka om svenska företag som tilldelats utsläppsrätter år 2016 värderat dessa till anskaffningsvärde eller verkligt värde. Studien undersöker även samband mellan valet av värderingsmetod och företagsfaktorer. Metod: Det systematiska tillvägagångssättet bygger på en statistisk dataanalys av statistik från Naturvårdsverket och information från företags årsredovi
Den odränerade skjuvhållfastheten är en viktig geoteknisk parameter som man behöver ha en god uppfattning om i samband med byggnation på lerrika jordarter. Då flertalet av de vanligen tillämpade undersökningsmetoderna är väldigt tidskrävande och kostsamma, finns det ett stort intresse för att undersöka hur alternativa och samtidigt mer enkelt mätbara parametrar, så som flytindex (IL), förhåller siUndrained shear strength is a crucial parameter of the clay-rich sediments commonly used in the design process of geotechnical structures and is determined by several tests. As a considerable part of these tests are cost- and time consuming, it is of interest to investigate the potential relationship with shear strength (cu) with alternative, easily measurable parameters, such as liquidity index (
