B Schenk, Gerhard Schwabe, Understanding the Advisory Needs of Citizens, In: Multikonferenz Wirtschaftsinformatik MKWI 2010, Universitätsverlag Göttingen, 2010-02-23. (Conference or Workshop Paper published in Proceedings)
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E M Aulich, Alle auf den guten Weg bringen, In: Neue Zürcher Zeitung, 42, p. 73, 20 February 2010. (Newspaper Article)
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Bruno Frey, Was treibt Menschen an?, In: Frankfurter Allgemeine Zeitung, p. n/a, 19 February 2010. (Newspaper Article)
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Bruno Frey, Geld oder Anerkennung? Zur Ökonomik der Auszeichnungen, Perspektiven der Wirtschaftspolitik, Vol. 11 (1), 2010. (Journal Article)
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Klaas Enno Stephan, W D Penny, R J Moran, H E M den Ouden, Jean Daunizeau, K J Friston, Ten simple rules for dynamic causal modeling, NeuroImage, Vol. 49 (4), 2010. (Journal Article)
Dynamic causal modeling (DCM) is a generic Bayesian framework for inferring hidden neuronal states from measurements of brain activity. It provides posterior estimates of neurobiologically interpretable quantities such as the effective strength of synaptic connections among neuronal populations and their context-dependent modulation. DCM is increasingly used in the analysis of a wide range of neuroimaging and electrophysiological data. Given the relative complexity of DCM, compared to conventional analysis techniques, a good knowledge of its theoretical foundations is needed to avoid pitfalls in its application and interpretation of results. By providing good practice recommendations for DCM, in the form of ten simple rules, we hope that this article serves as a helpful tutorial for the growing community of DCM users. |
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Andreas Scherer, Organizing for Legitimacy: Challenges for MNCs in a Globalized World, In: presentation at the 2010 Transatlantic Doctoral Academy in Corporate Responsibility (Politics and Rights: Theoretical Perspectives in Business Ethics). 2010. (Conference Presentation)
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Helmut Max Dietl, Egon Franck, Olympia könnte doch noch zum „Schnäppchen“ werden, In: Neue Zürcher Zeitung, 35, p. 21, 12 February 2010. (Newspaper Article)
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Thorsten Hens, Three Solutions to the Pricing Kernel Puzzle, In: Research Seminar, University of Konstanz. 2010. (Conference Presentation)
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Andreea Oliviana Diaconescu, Mahesh Menon, Jimmy Jensen, Shitij Kapur, Anthony Randal McIntosh, Dopamine-induced changes in neural network patterns supporting aversive conditioning, Brain Research, Vol. 8 (1313), 2010. (Journal Article)
The aim of the present paper is to assess the effects of altered dopamine (DA) transmission on the functional connectivity among brain regions mediating aversive conditioning in humans. To this aim, we analyzed a previous published data set from a double-blind design combined with functional magnetic resonance imaging (fMRI) recordings in which healthy volunteers were randomly assigned to one of three drug groups: amphetamine (an indirect DA agonist), haloperidol (DA D2 receptor antagonist), and placebo. Participants were exposed to an aversive classical conditioning paradigm using cutaneous electrical stimulation as the unconditioned stimulus (US), and visual cues as the conditioned stimuli (CS) where one colour (CS+) was followed by the US in 33% of the trials and another colour (CS-) had no consequences. All participants reported awareness of stimulus contingencies. Group analysis of fMRI data revealed that the left ventral striatum (VS) and amygdala activated in response to the CS+ in all the three groups. Because of their activation patterns and documented involvement in aversive conditioning, both regions were used as seeds in the functional connectivity analysis. To constrain the functional networks obtained to relate to the conditioned response, we also correlated seed activity with the Galvanic Skin Response (GSR). In the placebo group, the right ventral tegmental area/substantia nigra (VTA/SN), bilateral caudate, right parahippocampal gyrus, left inferior parietal lobule (IPL), bilateral postcentral gyrus, bilateral middle frontal (BA 46), orbitofrontal, and ventromedial prefrontal cortices (PFC, BA 10/11) correlated with the VS and amygdala seeds in response to the CS+ compared to the CS-. Enhancing dopamine transmission via amphetamine was associated with reduced task differences and significant functional connectivity for both CS+ and CS- conditions between the left VS seed and regions modulated by DA, such as the left VTA/SN, right caudate, left amygdala, left middle frontal gyrus (BA 46), and bilateral ventromedial PFC (BA 10). Blocking dopamine transmission via haloperidol was associated with significant functional connectivity across an alternate network of regions including the left amygdala seed and the right insula, the left ACC (BA 24/32), bilateral IPL (BA 40), precuneus (BA 7), post-central gyrus, middle frontal gyrus (BA 46), and supplementary motor area (SMA, BA 6) to the CS+ versus the CS-. These data provide insight into the distinct effects of DA agents on the functional connectivity between striatal, limbic, and prefrontal areas. |
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Pamela Bethke-Langenegger, Motivierender Arbeitsfortschritt, In: Neue Zürcher Zeitung, 30, p. 79, 6 February 2010. (Newspaper Article)
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Enrico De Giorgi, D.B. Brown, Melvyn Sim, A Satisficing Alternative to Prospect Theory , In: 5th Annual CARISMA (Conference 2010: The Interface of Behavioural Finance and Quantitative Finance). 2010. (Conference Presentation)
In this paper, we axiomatize a target-based model of choice that allows decision makers to be both risk averse and risk seeking, depending on the payoff's position relative to a prespecified target. The approach can be viewed as a hybrid model, capturing in spirit two celebrated ideas: first, the satisficing concept of Simon (1955); second, the switch between risk aversion and risk seeking popularized by the prospect theory of Kahneman and Tversky (1979). Our axioms are simple and intuitive; in order to be implemented in practice, our approach requires only the specification of an aspiration level. We show that this approach is dual to a known approach using risk measures, thereby allowing us to connect to existing theory. Though our approach is intended to be normative, we also show that it resolves the classical examples of Allais (1953) and Ellsberg (1961). |
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Thorsten Hens, Anke Gerber, Peter Woehrmann, Dynamic general equilibrium and T-period fund separation, Journal of Financial and Quantitative Analysis, Vol. 45 (2), 2010. (Journal Article)
In a dynamic general equilibrium model, we derive conditions for a mutual fund separation property by which the savings decision is separated from the asset allocation decision. With logarithmic utility functions, this separation holds for any heterogeneity in discount factors, while the generalization to constant relative risk aversion holds only for homogeneous discount factors but allows for any heterogeneity in endowments. The logarithmic case provides a general equilibrium foundation for the growth-optimal portfolio literature. Both cases yield equilibrium asset pricing formulas that allow for investor heterogeneity, in which the return process is endogenous and asset prices are determined by expected discounted relative dividends. Our results have simple asset pricing implications for the time series as well as the cross section of relative asset prices. It is found that on data from the Dow Jones Industrial Average, a risk aversion smaller than in the logarithmic case fits best. |
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Adrian Meier, Absicherung des Wechselkursrisikos des SNB StabFunds, University of Zurich, Faculty of Economics, Business Administration and Information Technology, 2010. (Master's Thesis)
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Damianov Peter, Credit Default Swaps (CDSs) - Entstehung, Funktion und ihre Rolle in der Finanzkrise, University of Zurich, Faculty of Economics, Business Administration and Information Technology, 2010. (Bachelor's Thesis)
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Beat Meier, Gibt es effiziente Fusionen?, University of Zurich, Faculty of Economics, Business Administration and Information Technology, 2010. (Bachelor's Thesis)
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Nicolas Karl, Der Zusammenhang des Consumption-Based Capital Asset Pricing Model und der Faktormodelle aus der Perspektive eines Marktgleichgewichts, University of Zurich, Faculty of Economics, Business Administration and Information Technology, 2010. (Bachelor's Thesis)
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Alexander Tobler, The Impact of Property Investments for Insitutional Investors, University of Zurich, Faculty of Economics, Business Administration and Information Technology, 2010. (Bachelor's Thesis)
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Michel Fellmann, Leading Indicators of Past Financial Crises - Do they Apply to the Current Financial Crisis?, University of Zurich, Faculty of Economics, Business Administration and Information Technology, 2010. (Master's Thesis)
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Reto Bolliger, Analysis of the determinants of yield spreads in European prime office real estate markets, University of Zurich, Faculty of Economics, Business Administration and Information Technology, 2010. (Bachelor's Thesis)
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Romain Paratte, Die Stellung des Aktionärs in Theorie und Praxis, University of Zurich, Faculty of Economics, Business Administration and Information Technology, 2010. (Bachelor's Thesis)
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