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Sexually reproducing species tend to have reproductive barriers between them that prevent hybrid offspring from being formed. Drosophila melanogaster and D. simulans are two closely related species that can form sterile hybrids. In addition to their post-zygotic barriers, which cause the hybrid sterility, some behavioral pre-zygotic barriers also exist. These include different preferences for cour
Syftet med denna studie är att analysera om aktieoptioner till ledningen påverkar deras risktagande, genom att använda aktiekursvolatilitet som ett mått på detta risktagande. Studien syftar till att undersöka detta inom kontexten av europeiska företag. Studien utgår från en deduktiv ansats, där hypoteser formuleras baserat på agentteorin och stewardshipteorin och testas kvantitativt genom regressi
This study aims to investigate if inflexible investment agreements limit countries’ environmental ambition, mainly focusing on the potential existence of regulatory chill. A panel dataset of 54 countries covering the years from 2008 to 2023 is used to examine the relationship. The analysis employs a fixed effects regression model, initially applying the Environmental Kuznets Curve theoretical fram
This thesis examines whether computer code generated with the assistance of artificial intelligence (AI) can qualify as a “work” under EU copyright law, and if so, who may be recognized as its author. As AI programming tools such as GitHub Copilot and Tabnine become more integrated into software development, they increasingly mediate the creative process—raising important legal questions concernin
In one of the most fragile regions in the world, the European Union (EU) has increased its attempts to bring peace by exporting its own vision of stability. This study examines how the EU has managed the relationship between development and security in the Sahel region through its Regional Action Plans (RAPs) from 2011, 2015, and 2021. Through the application of Mark Duffield's (2014) theory,
Habitat specialists are particularly vulnerable to habitat loss and disturbances because they are adapted to a narrow range of ecological conditions and food sources. The lesser spotted woodpecker is closely linked to attributes of deciduous forests that are negatively affected by intensive management. This is because it is specialised in foraging on wood-living insect larvae found in thin dead br
This experimental study investigates the effect of diversity initiatives on White individuals' perception of discrimination against minorities and whether this relationship interacts with their meritocratic values. With an increased global emphasis on diversity and inclusion, organizations strive to reduce discrimination and instead promote a culture that values diversity. However, the effecti
Heavy metal pollution is a worldwide crisis that threatens thousands of species and ecosystems. Within the next couple of decades, the majority of the global population is predicted to live in urban areas which will likely cause the pollution crisis to become even worse if preventive actions aren’t executed now. Hence, proper implementation of urban green spaces and infrastructure is imperative to
The cellphone footage of Daniel Penny, a 24-year-old white man in his twenties, choking the life out of Jordan Neely, a 30-year-old Black man, in a New York City subway car during the summer of 2023 made headlines around the globe. The story took off in part because it was identified by the press as existing within the long history of American vigilantism, one that dates to the very founding of th
Generativ Artificiell Intelligens (GAI) har utvecklats snabbt under de senaste två åren, vilket snabbt väckt frågor om hur EU:s upphovsrättsliga lag-stiftning ska tillämpas på denna nya teknik. Genererar GAI kopior? Bryter GAI-träning och outputs mot upphovsmannens ensamrätt för exemplar-framställning när den hämtar data från Internet? Hur ska de obligatoriska undantagen för tillfälliga reproduktiWith the fast development of Generative Artificial Intelligence (GAIs) over the last two years, questions have quickly been raised about how EU copyright law applies to this new technology. Do GAIs produce reproductions? Do the controversial training and outputs of GAIs infringe on the copyright of works gathered from the Internet? How do the mandatory ex-ceptions of temporary reproductions and te
Esta investigación analiza la feria agroecológica UNIMINUTO, un ejemplo destacado de economía solidaria y de consumo sostenible en Bogotá, Colombia. Al utilizar la teoría de las prácticas sociales y entrevistas semi-estructuradas con 10 consumidores frecuentes, este estudio identifica las principales motivaciones de los consumidores para asistir a este espacio, que incluyen el apoyo a los productoThis research examines the UNIMINUTO agroecological fair, a prominent example of solidarity economy and sustainable consumption in Bogotá, Colombia. Employing a social practice theory lens and semi-structured interviews with ten frequent attendees, this study identifies key consumer motivations, including support for local producers, product quality, health benefits, knowledge acquisition, and the
Sending remittances is a deeply personal act influenced by cultural and social norms, as well as familial expectations. This thesis aims to explore how these influences shape the decisions of Filipino migrants in Sweden to send remittances and the following impact on their emotional bonds and familial relationships. By simplifying the complex phenomenon of remittances, the study investigates the m
Many modern city centres are struggling with the aftermath of car-centric and consumption-driven urban planning from the last century. This approach has led to widespread vacancies, a lack of green spaces, and unattractive public areas, that fail to offer diverse functions. While many cities have pedestrian-friendly zones, these areas are often dominated by retail spaces that cater primarily to co
With the persistent phenomenon of rapid urbanization, cities worldwide are in a constant state of change. This transformation extends to the underlying "urban fabric" that encompasses the distinct segments that collectively shape the identity and character of a city. These segments can be formally categorized as districts, boroughs, neighborhoods, or wards. However, at a deeper level fam
Political campaigns are a recurring phenomenon in liberal democracies. However, scholars remain undecided about the extent of their effectiveness and have focused heavily on the United States and the United Kingdom. This thesis expands by quantitatively analyzing the relationship between political parties’ financial resources and electoral performance across twelve European democracies. It also zo
The attention to the environmental impact of plastics materials used in food packaging has produced several studies in the last decade and consumers have started wondering about the utility and the functions of food packaging. In fact, the use and the production of plastic polymers cause pollution due to the disposal and to the CO2 emission. Besides that, even if new polymers from organic and biol
Exposed, well-drained and nutrient poor areas on Spitsbergen are mainly covered by a plant alliance typical for Svalbard, the Caricion nardinae. Caricion nardinae is a circum-polar alliance, which is dominated by the creeping, ever-green dwarf-shrub Dryas octopetala. On the beach flats of western Spitsbergen, Jonas Åkerman (1983) observed in 1979 the plant Dryas octopetala growing in an unusual pa
