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Communication, networks and asset price dynamics: a survey
In this paper, we provide a wide-ranging survey of the state of the art in the area of communication and asset price dynamics. We start out by documenting empirical evidence that social communication influences investment decisions and asset prices, before turning to the main modelling approaches in...
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Published in: | Journal of economic interaction and coordination 2024, Vol.19 (1), p.1-58 |
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Main Authors: | , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | In this paper, we provide a wide-ranging survey of the state of the art in the area of communication and asset price dynamics. We start out by documenting empirical evidence that social communication influences investment decisions and asset prices, before turning to the main modelling approaches in the literature (both past and present). We discuss models of belief-updating based on observed performance; models of herd behaviour; and models with social interactions that arise from preferences for conformity or contrarianism. Our main contribution is to introduce readers to a
social network
approach which has been widely used in the opinion dynamics literature, but only recently applied to asset pricing. In the final part, we show how recent contributions to both modelling and empirical work are using the social network approach to improve our understanding of financial markets and asset price dynamics. We conclude with some thoughts on fruitful avenues for future research. |
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ISSN: | 1860-711X 1860-7128 |
DOI: | 10.1007/s11403-023-00395-8 |