Filetype
This paper estimates the causal relationship between years of schooling and unemployment. The results are derived from a high quality dataset containing observations on 13,896 twins. A control for twin pair specific heterogeneity is introduced by exploiting the twin dimension through the fixed effects estimator. Although the OLS estimator reports a strong negative correlation between education and
I denna uppsats har översättningsuniversaliers förekomst i svenska översatta texter undersökts. Fokus ligger på förenkling, och metoden för undersökningen bygger på tidigare undersökningar utförda av Laviosa (1996, 1997, 1998). Laviosas resultat tydde på att vissa tecken på förenkling alltid existerar i översatta engelska tidningstexter och skönlitterära texter, och därför har hennes metoder använ
A wooden frame system for non-bearing interior walls has been developed. The wall consists of studs, spaced at a regular interval of 900 mm, forming a frame together with the bottom and top p1ate. The framework is sheathed with gypsum plasterboards. The system is developed and adjusted for the purpose of fixing the gypsum plasterboards with glue. A special investigation of the mechanical behaviour
This paper uses a quantitative method of analysing if the idiosyncratic risk on the Stockholm Exchange has changed over time. In order to do so we divided the risk, measured as volatility, into three different risk categories, idiosyncratic-, industrial-, and market volatility. Analysing the result received from the data of 85 listed corporations, that represents the five major sections on the Swe
The evolutionary history of the allotetraploid Arabidopsis suecica and its maternal parent Arabidopsis thaliana is analyzed in the thesis in terms of genetic variation in the natural populations of the two species. The earliest phase of the speciation event in which the genomes of A. thaliana and A. suecica are in the process of diverging was investigated using population genetic methods. Evolutio
The thesis addresses different questions, each necessary in the understanding of dynamic fracture initiation and crack propagation in steel. Emphasis lays on dynamic crack propagation experiments performed in the ductile to brittle transition region and possible conclusions, that can be drawn from them. One question regards the physical basis for for viscoplasticity. Dislocation slip by thermal a
Using optical spectroscopy, nuclear magnetic resonance (NMR), and differential scanning Calorimetry (DSC), I have studied two different calcium binding proteins that can form kinetically trapped altered states. Calcium is very important in numerous biological processes such as blood coagulation, signal transduction, muscle contraction and bone formation. Calcium binding to proteins regulates these
There is a strong desire for short wavelength (~1 Å), short pulsewidth (<100 fs), high-brightness, transverse and longitudinally coherent light pulses for use by the synchrotron radiation community. These requirements exceed the limits achievable by existing, so-called, "third-generation" light sources, such as the Advanced Photon Source (APS) at Argonne National Laboratory (ANL), USA, the Europea
The aim of this thesis was to study outcome and evaluation of rheumatological multidisciplinary team rehabilitation programmes in patients with chronic inflammatory arthritis (CIA); rheumatoid arthritis (RA), ankylosing spondylitis, psoriatic arthritis and other spondyloarthritides, and to analyse health care utilization over the last decade in patients with RA. In Study I the outcome of an 18 da
In this study an experimental setup for measurements of high impedance objects in ducts, yielding the acoustical Two-Port properties of the object, is applied to earplugs. A frequently used experimental setup for measuring objective acoustical properties of earplugs is that of artificial ears. Great effort is spent on duplicating the human ear. The acoustical properties of the earplug are thought
Since 1991 cleaner production projects have been pursued by the donors in Eastern European industry. These projects have aimed at demonstrating the benefits of a preventive approach to environmental protection, and to train people within the industry to perform the cleaner production assessments that constitute the core element of the preventive approach. The large merit of the preventive approach
Tourism has become a leading industry in the world and continues to grow rapidly, contributing essentially to economic growth and employment in many countries. Tourism as it looks today poses serious threats to the environment and considerable social and cultural challenges. The problem addressed by this research lies in the weakness of current concepts and practices in pursuit of sustainable tour
This thesis deals with methods for handling resource constraints in embedded control systems and real-time computing systems. By dynamic feedback-based resource scheduling it is possible to achieve adaptability andincreased performance for these systems. A feedback scheduling strategy is presented, which uses feedback from plant states to distribute computing resources optimally among a set of co
This study describes, systematizes and analyses the variations of preachers' conceptions of their mission to preach and their listeners' conceptions of the sermon. It does so in a phenomenographic and theological perspective. The conceptions of preachers and their listeners of the mission to preach and the sermon respectively are investigated by way of interviews. The basic issues are what differe
The main purpose of this thesis is to study real exceptional Kantor triple systems. In the first paper we first prove the known results in both the real and complex classical cases of K-simple Kantor triple systems. In the real classical case our approach gives somewhat simpler formulas. Special attention is given to all real classical cases of K-simple Kantor triple systems that can be presented
The chaebol conglomerates, which constituted the backbone of the "South Korean miracle", became the instrument for economic growth within a framework laid down by the "developmental state". With a minimum of own capital, but with private owner-control and loan-financing, these chaebols were able to expand. How could this "impossible" configuration survive? The thesis analyses how this could contin
In this dissertation, young men's experiences of being victims of crime are analysed. Several kinds of material are considered in this study, but the primary data consist of informal, tape-recorded interviews with ten young men (17 to 21 year's old) who had been assaulted or mugged. Their accounts of their experiences are analysed using a number of constructionist, interactionist, and narrative pe
