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Is it possible to predict the future returns for the crude oil index by looking at the activity on Twitter? It is not possible to predict the market according to the efficient market hypothesis but earlier research on the topic states that it is possible for Twitter to predict the markets. This paper examines this phenomenon further by investigating the relationship between the market and Twitter
This thesis takes the process of privatization as its starting point, a process which in Sweden started 20-30 years ago and is still ongoing. Since this process is very likely to be irreversible an open and rational discussion is of particular importance. Hence, one of the aims of this thesis is to problematize the privatization debate. This leads to the primary objective: to take a normative stan
Smoke spread via ventilation systems relying on running fans or bypasses can be calculated with performance based fire safety analyses tools. The focus of this thesis work was to review existing methods for treating this problem and to further develop current analysis methods. Suggestions are also made for setting up guidelines as to what are tolerable amounts of smoke spread depending on building
This report describes experiments with a method for measuring water density in the spray from a water mist sprinkler using laser diodes. The decrease in light intensity at a photo cell across the spray from the diode is used to calculate the water density. The same method has previously been used for measuring the soot content of a flame, but the calculations when measuring water density are in so
In June 2009 A.D. the Government Offices of Sweden presented an investigation about conscription as the recruitment system to Swedish Armed Forces. Behind the investigation stood a parliamentary committe with the specific mission to investigate how the recruitment should be organised in the future. The committee suggest to abolish conscription and adopt voluntary recruitment. Two members of the co
Natural hazards and disasters are serious contemporary threats as climate change is causing an increase in the frequency of extreme weather conditions worldwide. The Caribbean is geographically located in the North Atlantic Ocean at the junction of the Caribbean Plate and the North American Plate. The region is in a high-risk zone for natural disasters such as earthquakes and hurricanes. In the sp
This study investigates the relationship between health and households’ decisions whether to participate in the stock market or not. We construct a set of health variables and out of these, we choose the most important health factors, such as self-assessed health, mobility limitations and mental health. To test empirically the hypothesis that healthier households are more likely to participate in
Studiens syfte var att undersöka hur nyanställda socialsekreterare upplevde sin introduktion vid början av ett nytt arbete och att få en uppfattning om hur introduktionens upplägg kan påverka arbetsmotivationen. Även det psykiska välbefinnandets påverkan av stress under introduktionen har granskats. Till detta användes en kvalitativ metod och semistrukturerade intervjuer genomfördes på sex socialsThe purpose of the study was to research how newly hired social service workers experience their introduction at the beginning of a new employment, and to get a notion of how the setup of the introduction may affect the work motivation. Also, how the mental well-being is affected during the introduction has been researched. The study uses a qualitative method and semi-structured interviews with si
Studiens syfte var att undersöka hur nyanställda socialsekreterare upplevde sin introduktion vid början av ett nytt arbete och att få en uppfattning om hur introduktionens upplägg kan påverka arbetsmotivationen. Även det psykiska välbefinnandets påverkan av stress under introduktionen har granskats. Till detta användes en kvalitativ metod och semistrukturerade intervjuer genomfördes på sex socialsThe purpose of the study was to research how newly hired social service workers experience their introduction at the beginning of a new employment, and to get a notion of how the setup of the introduction may affect the work motivation. Also, how the mental well-being is affected during the introduction has been researched. The study uses a qualitative method and semi-structured interviews with si
Previous studies on the representation of gender roles video games, and how they are able to affect the consumers' understanding of their own gender identity, often focus on the portrayal of female characters and their effect on male and female consumers. This present study deviates from this common trend and chooses to investigate how expressions of masculine identity are designed towards the
Denna studie syftar till att undersöka huruvida etniskt ursprung påverkar rekryterares bedömning av CV:n. Undersökningen gjordes i samarbete med ett bemanningsföretag där personalen dagligen arbetar med rekrytering. De tolv deltagarna fick i uppdrag att rekrytera en orderplockare. Deltagarna fick granska och skatta fem fiktiva CV:n. Varje CV fanns utformat i två versioner där enda skillnaden var eThis study aims to examine whether ethnicity affects the recruiters' evaluation of résumés. The study was conducted in collaboration with an employment agency where employees work daily with recruitment. Twelve participants were assigned to recruit a warehouse worker. Participants reviewed and estimated five fictitious résumés. Each résumé was designed in two versions, with the only difference
Abstract in Undeterminedhis paper focuses on the experimental evaluation and design of a magnetic core of a modular segment for a synchronous machine with a laminated wave-winding. The advantageous features of laminated windings, which are the simple production and the high winding fill factor with a good net shape, are optimized towards high torque capability. The focus in this study lies on the
