• A Life-Cycle Model with Ambiguous Survival Beliefs 

      Groneck, Max; Ludwig, Alexander; Zimper, Alexander (2015-10-02)
      Based on a cognitive notion of neo-additive capacities reflecting likelihood insensitivity with respect to survival chances, we construct a Choquet Bayesian learning model over the life-cycle that generates a motivational ...
    • Ambiguity and Investor Behavior 

      Kostopoulos, Dimitrios; Meyer, Steffen; Uhr, Charline (2020-11-24)
      We relate time-varying aggregate ambiguity (V-VSTOXX) to individual investor trading. We use the trading records of more than 100,000 individual investors from a large German online brokerage from March 2010 to December ...
    • Belief Formation and Belief Updating under Ambiguity: Evidence from Experiments 

      Li, Wenhui; Wilde, Christian (2019-09-21)
      Decisions under ambiguity depend on both the belief regarding possible scenarios and the attitude towards ambiguity. This paper exclusively focuses on beliefs, measured independent from attitudes. We use laboratory experiments ...
    • Measuring Ambiguity Aversion: A Systematic Experimental Approach 

      Krahnen, Jan Pieter; Ockenfels, Peter; Wilde, Christian (2014-06-20)
      This paper provides a systematic analysis of individual attitudes towards ambiguity, based on laboratory experiments. The design of the analysis allows to capture individual behavior across various levels of ambiguity, ...
    • Separating the Effects of Beliefs and Attitudes on Pricing under Ambiguity 

      Li, Wenhui; Wilde, Christian (2021-03-10)
      The pricing of an ambiguous asset, whose cash flow stream is uncertain, may be affected by three factors: the belief regarding the realization likelihood of cash flows, the subjective attitude towards risk, and the attitude ...
    • The Impact of Biases in Survival Beliefs on Savings Behavior 

      Groneck, Max; Ludwig, Alexander; Zimper, Alexander (2017-03-24)
      "On average young people ""undersave"" whereas old people ""oversave"" with respect to the rational expectations model of life-cycle consumption and savings. According to numerous studies on subjective survival beliefs, ...