Search for dissertations about: "risk uncertainty"

Showing result 1 - 5 of 380 swedish dissertations containing the words risk uncertainty.

2. 1. Dealing with uncertainty

   Author : Jonas Clausen Mork; John Cantwell; Till Grüne-Yanoff; Terje Aven; KTH; []
   Keywords : HUMANIORA; HUMANITIES; safety factor; safety margin; uncertainty factor; uncertainty function; uncertainty; information; risk; risk assessment; risk management; epistemology; science; reasoning;

   Abstract : Uncertainty is, it seems, more or less constantly present in our lives. Even so, grasping the concept philosophically is far from trivial. In this doctoral thesis, uncertainty and its conceptual companion information are studied. Axiomatic analyses are provided and numerical measures suggested. READ MORE

4. 2. Uncertainty in risk assessment : contents and modes of communication

   Author : Rikard Levin; Sven Ove Hansson; Erik Olsson; KTH; []
   Keywords : HUMANIORA; HUMANITIES; uncertainty; scientific uncertainty; characterization of uncertainty; decision-making under uncertainty; risk assessment; risk management; Philosophy subjects; Filosofiämnen;

   Abstract : Assessments of chemical health risks are performed by scientific experts. Their intended use is as bases for decisions. This thesis tries to answer the questions of how uncertainty is, and should be, communicated in such risk assessments. The thesis consists of two articles and an introductory essay. READ MORE

5. 3. Empirical Studies on Economic and Financial Spillovers : Asymmetric Risk and Dependence Modeling

   Author : Axel Hedström; Gazi Salah Uddin; Ali M. Ahmed; Ugur Soytas; Linköpings universitet; []
   Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Spillovers; systemic risk; risk modeling; risk dependence; asymmetric risk; energy finance; Spillovers; systemisk risk; riskmodellering; risk påverkan; asymmetrisk risk; energifinans;

   Abstract : Financial assets are volatile, and volatility becomes more intense in terms of size and rate of recurrence when markets are uncertain and growing rapidly. The fact that the recurrence rate increased during crisis periods, such as the IT bubble in the early 2000 and the global financial crisis that started in 2007, is a key finding in the literature. READ MORE

6. 4. Risk and Rationality : Effects of contextual risk and cognitive dissonance on (sexual) incentives

   Author : Andréa Mannberg; Karl-Gustaf Löfgren; Magnus Johannesson; Umeå universitet; []
   Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; HIV AIDS; Health risk; Uncertainty; Risk aversion; Self-Control; Time-inconsistency; Cognitive dissonance; Regret; Norms; Social identity; Economics; Nationalekonomi; Economics; nationalekonomi;

   Abstract : Paper [I] theoretically analyzes how the level and uncertainty of future prospects affect incentives to abstain from sexual risk taking in the presence of HIV. The results suggest that, for individuals with limited access to HIV treatment, uncertainty of future health may be an important factor driving unsafe sex practices and support the empirical finding of a weak link between sexual behavior, HIV prevalence, and HIV knowledge in poor countries; therefore suggesting that AIDS policy needs to be calibrated in order to fit within different social contexts. READ MORE

7. 5. Uncertainty, variability and environmental risk analysis

   Author : Monika Filipsson; Tomas Öberg; Bo Bergbäck; Lars Rosén; Linnéuniversitetet; []
   Keywords : Contaminated land; exposure assessment; exposure factors; risk analysis; risk perception; uncertainty; variability; probabilistic risk assessment; NATURAL SCIENCES; NATURVETENSKAP; Miljövetenskap; Environmental Science;

   Abstract : The negative effects of hazardous substances and possible measures that can be taken are evaluated in the environmental risk analysis process, consisting of risk assessment, risk communication and risk management. Uncertainty due to lack of knowledge and natural variability are always present in this process. READ MORE