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This thesis was dedicated to investigating the use of different parameter update schemes for Hidden Markov models with time-varying parameters, with an emphasis on developing alternatives to the quasi-Newton step. The focus was on applications to financial returns, using data from the S\&P-500 and the Nikkei index, and for comparison, a trial using synthetic data was also performed. Different

This essay investigates the effects of a same-sex teacher assignment on female and male 8th grade students in Australia and New Zealand using data from the Trends in Mathematics and Science Study (TIMSS). I employ the first difference (FD) method introduced by Dee (2007) to analyze the impacts on students' math and science academic achievements, as well as their attitudes toward these subjects

This thesis evaluates the impact of corruption perception index (CPI) on foreign direct investment (FDI) flows from China and 34 OECD source countries to 54 African host countries using the gravitational model. China is of particular interest as it has become Africa’s largest trading partner as well as the greatest investor among the developing countries in Africa, in addition to Chinese firms hav

In this survey, we shall prove the Lucas–Lehmer primality test used to find the Mersenne primes. A proof of the Law of Cubic Reciprocity will also be presented, which will be applied in the proof of a generalisation of the Lucas–Lehmer primality test.

This paper examines the effects of key macroeconomic and trade variables on invoicing currency patterns. Departing from common model assumptions of complete local currency pricing or partner country pricing, the existing analytical and empirical literature suggests a range of macroeconomic and strategic determinants of internationally trading actors’ currency usage. Using panel data on trade invoi

The aim of this thesis was to study individual experiences of depression and the meetings between individual experiences and the diagnostic criteria of depression. The purpose of this study was to analyse depression from a social constructionist perspective to determine how individuals construct the illness known as depression. The study was conducted by using 5 autobiographies. The autobiographie

The Circular Economy (CE) primary goal is to be capable of "closing the loops" in processes by changing the idea of resources and waste. Eco-innovation ("the introduction of any new or significantly improved product (good or service), process, organizational change or marketing solution that reduces the use of natural resources (including materials, energy, water, and land)" co

This thesis examines the discourses produced by the International Organization for Migration in relation to the phenomenon of ‘climate migration’ in order to identify the main problematization and subsequent implications. Using Carol Bacchi’s approach entitled “What’s the problem represented to be?” and conducting a qualitative policy analysis of 13 documents written by the IOM between 2007-2022,

This study aimed at exploring employers' understanding of compassion fatigue, the risk factors contributing to compassion fatigue afflicting employees’ and how employers' leadership style and approach determines how they manage and treat compassion fatigue in the workplace. This study used a qualitative method by interviewing 7 employers’ working at different social services in Sweden. The

This thesis aims to reproduce and improve a paper about dynamic road user detection on 2D bird's-eye-view radar point cloud in the context of autonomous driving. We choose RadarScenes, a recent large public dataset, to train and test deep neural networks. We adopt the two best approaches, the image-based object detector with grid mappings approach and the semantic segmentation-based clustering

Women who have joined the Islamic State of Iraq and Syria, ISIS, have been understood as serving passive and largely supportive roles in ISIS state-building by media and, to a far extent, academia. Academia has argued that the passive role evolves into active participation in weaponed combat and planning of attacks. This paper investigates the Danish Newspaper’s constructions of Danish women invol

Corporate Social Responsibility (CSR) communication aims to get stakeholders' buy-in, especially consumers. However, the mainstream CSR definition comes from a corporate perspective, and consumers' understanding of CSR is overlooked in cur-rent literature. This study challenged the dominant CSR interpretation through an at-tempt to discover consumers' perceptions of CSR practices. The

The purpose of this essay is to study the potential of a carpool as a sustainable mobility solution in rural areas, by studying the usage of the carpool pilot in Brösarp, Tomelilla municipality. The essay seeks to answer the following research questions: how is the carpool being used today? Which are the barriers for using the carpool? What can be done to motivate an increased use of the carpool?

Throughout the COVID-19 pandemic the post-truth and increasingly radicalized anti-vaccine movement has gained worldwide attention as a major opponent of Covid-restricting efforts. In Germany, the anti-vax movement Querdenker have staged several large-scale protests opposing the ’undemocratic’ government. With increasing online identity expression through fast-paced visual platforms, the Querd

The return of cultural property (also known as repatriation or restitution) is a process that is increasing at Swedish museums in the 21st century. Many objects have been returned to their country of origin and their individual journey have been well researched. However, research focusing on institutional changes at the museums, from which the objects have been returned, has not been given the sam

This study takes a critical stance and examines how the official city branding discourse in China's megacity Shenzhen affects citizens' sense of belonging. More specifically, through an empirical study of the extreme case, it intends to bring new knowledge to the critical cultural stream of city branding research, especially in the Chinese socio-cultural context. The current academic resea

This study introduced a practitioner perspective to explore how public relations (PR) practitioners define, detect, and counteract dark PR by conducting 15 in-depth interviews with current PR practitioners in China. Dark PR is widely used in business competition worldwide as an emergent phenomenon. Many PR practitioners have been plagued with such an aggressive public relations practice since it c

School compliance is affected by several interactions and circumstances according to young people. Previous research has mostly limited its focus on the underlying reasons of school refusal and school truancy; researchers have primarily gathered information and data from observations, literature studies or by interviewing professionals. In this study we have chosen to focus on school attendance in

Italy is using drones to monitor migrants crossing the Mediterranean Sea. This is partially done through a contract with Leonardo S.p.A – one of the largest arms traders in the world – under which the company undertakes to operate drones in the area on behalf of the state. Meanwhile, Italy has withdrawn its naval assets and is hindering non-governmental organisations from carrying out search-and-r