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OBJECTIVE: To study cause specific mortality and cancer morbidity in workers exposed to the dust of grinding materials, grinding agents, and stainless steel, especially with regard to a possibly increased risk of respiratory, stomach, and colorectal cancer. METHODS: Retrospective cohort study, using reference cohorts of blue collar workers and population rates for comparison. The exposed cohort c
Increasing international and, often, cross-cultural contacts and exchanges in all spheres of human activity have created a world in which the access to other, alternative knowledge pools seems to be easier than ever before. Science in particular, or, more generally, fields of knowledge creation, are considered to have greatly benefited from this global inter-connectedness. At the same time, we can
This paper deals with overload control algorithms that should see to that throughput in an service control points (SCP) is kept high, also under severe overload conditions. A couple of basic overload control schemes like random admittance, call gapping and window flow control are examined. We stress that the algorithms should both be efficient and show fairness among a number of SSPs logically con
Neutral photodissociation from N2 has been studied in the range 20–30 eV by observing dispersed fluorescence from excited N fragments. From comparisons with calculations using many-body perturbation theory it follows that these fragmentations follow from predissociations of N2 Rydberg series by a number of non-Rydberg doubly excited states.
The singularity cancelation scheme initially introduced by Khayat and Wilton for evaluating singular and near-singular potential integrals with 1/R singularities has in this paper been applied to parameterized quadrilateral cells containing higher order hierarchical H(div) Legendre basis functions. The singular and near-singular potential integrals treated in this paper appear in the method of mom
Popular Abstract in Swedish Försäkringsmarknader präglas generellt av informationsproblem av olika slag. I denna avhandling studeras ett specifikt sådant problem: moral hazard. Detta innebär att den försäkrade kan vidta försiktighetsåtgärder för att minska sannolikheten för att drabbas av en olycka, men att försäkringsbolaget inte säkert kan urskilja storleken på dessa försiktighetsåtgärder. Vi fåThe thesis consists of an introductory chapter, followed by three chapters which all deal with theoretical issues related to moral hazard and insurance. In Chapter 2 we assume symmetric and perfect information. We conclude that, given some standard assumptions, the expected utility function cannot be quasi-concave, which strengthens earlier findings in the literature. As a consequence convex prefe
