Information Revelation in Decentralized Markets

53 Pages Posted: 28 Apr 2016 Last revised: 21 Aug 2019

See all articles by Björn Hagströmer

Björn Hagströmer

Stockholm University - Stockholm Business School

Albert J. Menkveld

Vrije Universiteit Amsterdam

Date Written: January 21, 2019


How does information get revealed in decentralized markets? We test several hypotheses inspired by recent dealer-network theory. To do so we construct an empirical map of information revelation where two dealers are connected based on the synchronicity of their quote changes. The tests, based on EUR/CHF quote data including the 2015 crash, largely support theory: strongly connected (i.e., central) dealers are more informed. Connections are weaker when there is less to be learned. The crash serves to identify how a network forms when dealers are transitioned from no-learning to learning, that is, from a fixed to a floating rate.

Keywords: network map, information revelation, information percolation, securities trading, fragmentation

JEL Classification: G10, G14, G15

Suggested Citation

Hagströmer, Björn and Menkveld, Albert J., Information Revelation in Decentralized Markets (January 21, 2019). Journal of Finance, Forthcoming, Swedish House of Finance Research Paper No. 19-2, Available at SSRN: or

Björn Hagströmer

Stockholm University - Stockholm Business School ( email )


Albert J. Menkveld (Contact Author)

Vrije Universiteit Amsterdam ( email )

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