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A rational-expectations equilibrium with positive demand for financial information does exist under fully revealing asset price - contrary to a wide-held conjecture. Generalizing the common additive signal-return model with CARA utility to the family of distributions with moment generating...
Persistent link: https://www.econbiz.de/10011451345
Adding a stage of signal acquisition to the expected utility model shows that Bayesian updating results in a well defined law of demand for financial information when asset return distributions are conjugate priors to signals such as in the gamma-Poisson case. Signals have a positive marginal...
Persistent link: https://www.econbiz.de/10002756259
This paper examines short-term price reactions after one-day abnormal price changes and whether they create exploitable profit opportunities in various financial markets. A t-test confirms the presence of overreactions and also suggests that there is an "inertia anomaly", i.e. after an...
Persistent link: https://www.econbiz.de/10010431281
acting on them. We implement the first experiment that is able to address a potential causal relationship between self …
Persistent link: https://www.econbiz.de/10011444434
of an asset price bubble. In an economy with a highly leveraged financial structure, the central bank has an incentive to … asset prices above their fundamental value. The paper shows that the size of such a bubble is likely to be rather small. The … bubble is only equal to the expected value of capital gains on outstanding debt, which are fairly limited in a crisis. Since …
Persistent link: https://www.econbiz.de/10011398119
against Sharpe-Lintner CAPM and Fama-French three factor models are found mainly during the recent financial crisis. Also we …
Persistent link: https://www.econbiz.de/10011646274
Bubbles are omnipresent in lab experiments with asset markets. Most of these experiments were conducted in environments … experiment to measure changes of human trading behavior if these humans expect algorithmic traders. To disentangle the direct … smaller bubbles if human traders expect algorithmic traders to be present. …
Persistent link: https://www.econbiz.de/10011392621
of equilibria, a fundamental and a bubble one. In a stochastic environment the model generates a complex dynamics in … which bubbles and crashes occur at unpredictable moments. We contrast these behavioural bubbles with rational bubbles. …
Persistent link: https://www.econbiz.de/10011401333
of equilibria, a fundamental and a bubble one. In a stochastic environment the model generates a complex dynamics in … which bubbles and crashes occur at unpredictable moments. We contrast these ʺbehaviouralʺ bubbles with ʺrationalʺ bubbles. …
Persistent link: https://www.econbiz.de/10002749785
We introduce financial frictions in a two sector model of international trade with heterogeneous agents. The level of specialization in the economy (economic development) depends on the quality of financial institutions. Underdeveloped financial markets prohibit an economy to specialize in...
Persistent link: https://www.econbiz.de/10009009694