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This thesis consists of four self-contained papers in the economics of education and labor economics.In the first chapter, we study whether differences in teacher quality across countries are a contributor of international learning gaps. In particular, we study the effects of two dimensions of teacher quality, subject knowledge and didactic skills, on student learning in francophone Sub-Saharan Af
During periods of economic and social stability, retailers rarely need to address grocery hoarding. However, in times of crises, understanding the driving mechanisms behind hoarding becomes crucial. This study investigates the relationship between consumers’ personality traits and grocery hoarding in Sweden during the beginning of Covid-19, applying the Five-Factor Model of personality (FFM), whic
Executive Summary Title Business Models for Mobile Internet Authors Andersson Tobias, Talborn Henric, Weikert Magnus Directors Professor Allan T. Malm Ph D Candidate Magnus Wide Purpose How should mobile operators design their business models for mobile Internet in order to be successful? Method The method used in order to reach the purpose is structured in, theory, empirical and analysis around t
Background:Gaming and gambling are frequently reported from child and adolescent psychiatry and school health care. Swedish epidemiological data show that 1.3% of the population meet the criteria for gambling disorder. Risk factors are male gender, young age, single status and being born outside Sweden. Both problem gaming and gambling are associated with compulsion, psychiatric and physical sympt
Gastroesophageal reflux disease (GERD) is a prevalent condition observed across various medical specialties, including gastroenterology, otorhinolaryngology, surgery and primary care. Despite the routine prescription of proton pump inhibitors, some patients fail to experience adequate symptom relief. This review delves into the multifactorial mechanisms of reflux, which extend beyond hydrochloric
North Sea-Progressive Myoclonus Epilepsy (NS-PME) is a progressive neurological disorder, initially only associated with the homozygous GOSR2 founder mutation (c.430G>T; p.Gly144Trp). Clinical symptoms include untreatable early-onset ataxia, cortical myoclonus and epilepsy. Recently, the spectrum of GOSR2 mutations and associated phenotypic variability has expanded. To improve care and to facilita
The occurrence rate of close-in super-Earths is higher around M-dwarfs compared to stars of higher masses. In this work, we aim to understand how the super-Earth population is affected by the stellar mass, the size of the protoplanetary disc, and viscous heating. We utilised a standard protoplanetary disc model with both irradiated and viscous heating, together with a pebble accretion model, to si
This article explores the intricate relation between translation and the Nobel Prize in Literature through the lens of a special case: the 1939 award to Finnish novelist Frans Eemil Sillanpää. The discussions in the Nobel committee, and the decision of the Swedish Academy to select Sillanpää for the prize, were deeply affected by the long and complicated political and cultural history of neighbors
Vi är forskargruppen Rättigheter, regleringar och samhälle vid Avdelningen för fas-tighetsvetenskap, Institutionen för teknik och samhälle, LTH, Lunds universitet. Vi har bedrivit och bedriver forskning om regleringen av skogsbruk, mestadels ur ett rättsekonomiskt perspektiv. Vi har bl.a. studerat tillämpningen av Artskyddsförord-ningen och Århuskonventionen. I vår forskning har vi kunnat konst
BACKGROUND: The progression of tumor growth requires the recruitment of new blood vessels. It has been suggested that the degree of neovascularization would correlate with clinical prognosis. The purpose of the present study was to ascertain whether tumor vascularization correlated with clinical outcome in cases of primary squamous cell carcinoma of the head and neck (SCCHN).METHODS: In tumor biop
Background: There has been a lack of a standardized protocol for collection of patient reported outcomes (PRO) and detection of and indication for psychological treatment in cleft care. The objectives of this paper was to translate Cleft Hearing Appearance and Speech Questionnaire (CHASQ) into eight European languages, to investigate whether levels of PRO in patients with cleft lip and/or cleft pa
Organic food labelling debates in Sweden and the USA are examined in order to compare two different policy discourse climates on the basis of interviews, documents, and websites of governmental and non-governmental organisations. Framings in the Swedish debates mainly take place through eco-pragmatic metaframing, aimed at consensus, and based on a mixture of undefined scientific and ideological fr
We have in earlier papers presented an extension of Mueller's dipole cascade model, which includes subleading effects from energy conservation and running coupling as well as color-suppressed saturation effects from pomeron loops via a "dipole swing". The model was applied to the description of the total and diffractive cross sections in pp and gamma * p collisions, and also the elastic cross sect
There are data to support a role for genetic and immune-related factors in the pathogenesis of lymphomas and plasma cell diseases. In this paper, we review our published large population-based studies and other relevant studies in Hodgkin's and non-Hodgkin's lymphomas, multiple myeloma, and the precursor condition monoclonal gammopathy of undetermined significance. We discuss the overlap in risk f
Survival of patients with locally advanced head and neck squamous cell cancer(HNSCC)is poor, with an overall survival < 50%, despite diagnostic and therapeutic advances. The identification of prognostic and predictive markers could help optimizing treatment. From 18 patients, six tumour cell lines were established and four were xenografted to nude mice. Proliferation parameters(cell doubling time,
Although macroeconomic factors are part of several models for evaluation of credit risk, there is little effort to distinguish between effects of such factors and "intrinsic" factors on changes in credit risk. We argue that lenders, management, courts and traders in distressed securities would benefit from information about the degree to which macroeconomic factors affect changes in the likelihood
The glycosphingolipid (GSL) antigens in the clinically important P1PK and GLOB blood group systems are present on erythrocytes as well as other tissues and are so-called histo-blood group antigens. Blood group antigens of carbohydrate nature are products of enzymes, so-called glycosyltransferases, adding sugars in a step-wise manner to an acceptor substrate. Presence or absence of the P1PK and GLO
Bacteria and fungi are the main agents in decomposition of soil organic matter. Their activity is determined by the availability and quality of substrate, especially its content of carbon, but also nitrogen and phosphorus. Other environmental factors, which affect the activity of the microbial community in soil, are temperature, moisture and pH. In this thesis the focus was on how temperature and
