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Institution

University of Mannheim

EducationMannheim, Germany
About: University of Mannheim is a education organization based out in Mannheim, Germany. It is known for research contribution in the topics: Population & European union. The organization has 4448 authors who have published 12918 publications receiving 446557 citations. The organization is also known as: Uni Mannheim & UMA.


Papers
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Journal ArticleDOI
TL;DR: This article examined the effect of answering a question about a specific component of life satisfaction on respondents' assessment of their overall satisfaction with life, and found that the use of primed information in forming subsequent judgments is determined by Grice's conversational norms.
Abstract: Two experiments examined the effects of answering a question about a specific component of life satisfaction on respondents' assessment of their overall satisfaction with life. The results suggest that the use of primed information in forming subsequent judgments is determined by Grice's conversational norms. In general, answering the specific question increases the accessibility of information relevant to that question. However, the effect that this has on the general judgment depends on the way in which the two questions are presented. When the two questions are merely placed in sequence without a conversational context, the answer to the subsequent general question is based in part on the primed specific information. As a result, the answer to the general question becomes similar to that for the specific question (i.e. assimilation). However, this does not occur when the two questions are placed in a communication context. Conversational rules dictate that communicators should be informative and should avoid redundancy in their answers. Therefore, when a specific and a general question are perceived as belonging to the same conversational context, the information on which the answer to the specific question was based is disregarded when answering the general one. This attenuates the assimilation effect. The conditions under which these different processes occur are identified and experimentally manipulated, and the implications of these findings for models of information use in judgment are discussed.

463 citations

Journal ArticleDOI
TL;DR: In this paper, the authors present a framework of investigation into the political economy of the budget process, and they suggest that institutional rules can be found to limit the importance of fiscal illusion.

462 citations

Journal ArticleDOI
TL;DR: The extent of role conflict, role ambiguity, and role overload reported by middle managers from 21 nations was related to national scores on power distance, individualism, uncertainty avoidance, an....
Abstract: The extent of role conflict, role ambiguity, and role overload reported by middle managers from 21 nations was related to national scores on power distance, individualism, uncertainty avoidance, an...

462 citations

Journal ArticleDOI
TL;DR: In this article, the authors show that more than half of returning migrants are economically active after return, and most of them engage in entrepreneurial activities, and develop a model, where migrants decide simultaneously about the optimal migration duration, and their after-return activities.

457 citations

Journal ArticleDOI
TL;DR: The authors found that investors who think that they are above average in terms of investment skills or past performance trade more than rational investors, contrary to theory, unrelated to measures of trading volume.
Abstract: Theoretical models predict that overconfident investors will trade more than rational investors. We directly test this hypothesis by correlating individual overconfidence scores with several measures of trading volume of individual investors (number of trades, turnover). Approximately 3,000 online broker investors were asked to answer an internet questionnaire which was designed to measure various facets of overconfidence (miscalibration, the better than average effect, illusion of control, unrealistic optimism). The measures of trading volume were calculated by the trades of 215 individual investors who answered the questionnaire. We find that investors who think that they are above average in terms of investment skills or past performance trade more. Measures of miscalibration are, contrary to theory, unrelated to measures of trading volume. This result is striking as theoretical models that incorporate overconfident investors mainly motivate this assumption by the calibration literature and model overconfidence as underestimation of the variance of signals. The results even hold when we control for several other determinants of trading volume in a cross-sectional regression analysis. In connection with other recent findings, we conclude that the usual way of motivating and modeling overconfidence which is mainly based on the calibration literature has to be treated with caution. We argue that our findings might present a psychological foundation for the "differences of opinion" explanation of high levels of trading volume. Moreover, our way of empirically evaluating behavioral finance models - the correlation of economic and psychological variables and the combination of psychometric measures of judgment biases (such as overconfidence scores) and field data - seems to be a promising way to better understand which psychological phenomena actually drive economic behavior.

457 citations


Authors

Showing all 4522 results

NameH-indexPapersCitations
Andreas Kugel12891075529
Jürgen Rehm1261132116037
Norbert Schwarz11748871008
Andreas Hochhaus11792368685
Barry Eichengreen11694951073
Herta Flor11263848175
Eberhard Ritz111110961530
Marcella Rietschel11076565547
Andreas Meyer-Lindenberg10753444592
Daniel Cremers9965544957
Thomas Brox9932994431
Miles Hewstone8841826350
Tobias Banaschewski8569231686
Andreas Herrmann8276125274
Axel Dreher7835020081
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Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
202337
2022138
2021827
2020747
2019710
2018620