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Voluntary contributions with risky and uncertain marginal returns: the importance of the minimal value

Levati, M. Vittoria; Morone, Andrea - Wirtschaftswissenschaftliche Fakultät, … - 2009

contributions. This paper presents experimental results illustrating that the effects of risk and uncertainty depend on the employed … efficiency gains, the presence of risk and uncertainty about the public good's value is not detrimental to cooperation. This … ?nding casts doubt on the hypothesis that risk and uncertainty, per se, weaken people's willingness to contribute. …

Persistent link: https://www.econbiz.de/10004964131

Valuation of Self-Insurance and Self-Protection under Ambiguity: Experimental Evidence

Ozdemir, Ozlem - Wirtschaftswissenschaftliche Fakultät, … - 2007

This experimental study, first, compares the individual valuations of two risk reduction mechanisms: self-insurance and self-protection. Second, it investigates these valuations when the loss amount is ambiguous, and compare these values with valuations when loss amounts are known. results...

Persistent link: https://www.econbiz.de/10005090463

The Political Economy of the Green Technology Sector - A study about institutions, diffusion and efï¬ciency

Wangler, Leo - Wirtschaftswissenschaftliche Fakultät, … - 2009

This paper discusses aspects related to the green technology sector in Germany. In a ï¬rst step institutional reforms enabling diffusion of green technologies are analysed. Cost arguments are also taken into account. In a second step a theoretical model developed by Tanguay et al. (2004) is...

Persistent link: https://www.econbiz.de/10005051052

Environmental Labelling in Europe: EU and National Approaches

Karl, Helmut; Orwat, Carsten - Wirtschaftswissenschaftliche Fakultät, … - 1998

This paper considers environmental labelling (or ecolabelling for short) as an informational instrument of environmental policy. It examines some economic aspects of environmental labelling, for example, the function of product certification to overcome market failures for environmental superior...

Persistent link: https://www.econbiz.de/10005786078

Social Preferences under Risk: the Role of Social Distance

Montinari, Natalia; Rancan, Michela - Wirtschaftswissenschaftliche Fakultät, … - 2013

In many different contexts individuals take decisions on the behalf of others. However, little is known about how this circumstance affects the decision making process and influences the ultimate individuals' choices. In this paper, we focus on the context of investment decisions and study if...

Persistent link: https://www.econbiz.de/10010884458

Social preferences under uncertainty

Gaudeul, Alexia - Wirtschaftswissenschaftliche Fakultät, … - 2013

Willingness to take risk depends on whether the risk affects others as well as oneself and on how the risk affects one's position vis-`a-vis others. Taking a bet can improve one's position relative to others or threaten it. We present an experiment that explores individual attitudes to lotteries...

Persistent link: https://www.econbiz.de/10010884468

The Role of Emotions on Risk Preferences: An Experimental Analysis

Conte, Anna; Levati, M. Vittoria; Nardi, Chiara - Wirtschaftswissenschaftliche Fakultät, … - 2013

In the last decades, there has been a large volume of research showing that emotions do have relevant effects on decision-making. We contribute to this literature by experimentally investigating the impact of four specific emotional states - joviality, sadness, fear, and anger - on risk...

Persistent link: https://www.econbiz.de/10010884474

The effect of identifiability on the relationship between risk attitudes and other-regarding concerns

Koukoumelis, Anastasios; Levati, M. Vittoria; Ploner, Matteo - Wirtschaftswissenschaftliche Fakultät, … - 2013

Previous studies have shown that other-regarding concerns are weakened under risky situations. Daily experience also suggests that people care more about an identifiable than about an unidentifiable third person. We report on an experiment designed to explore whether rendering the other...

Persistent link: https://www.econbiz.de/10010884478

Collective choices under ambiguity

Levati, M. Vittoria; Napel, Stefan; Soraperra, Ivan - Wirtschaftswissenschaftliche Fakultät, … - 2014

We investigate experimentally whether collective choice matters for individual attitudes to ambiguity. We consider a two-urn Ellsberg experiment: one urn offers a 45% chance of winning a fixed monetary prize, the other an ambiguous chance. Participants choose either individually or in groups of...

Persistent link: https://www.econbiz.de/10010887075

Social comparison and risk taking behavior

Gamba, Astrid; Manzoni, Elena - Wirtschaftswissenschaftliche Fakultät, … - 2014

This paper studies the effect of social comparison on risk taking behavior. We assume that decision makers evaluate consequences of their choices not only as variations with respect to their economic status but also as variations with respect to the status of their peers. We test experimentally...

Persistent link: https://www.econbiz.de/10010928571