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Orlando Gomes
''Exuberance and social contagion''
( 2016, Vol. 36 No.3 )
Episodes of collective exuberance that recurrently hit the economy are, in this note, associated with sentiment propagation in a network of social relations. The pivotal role played by exuberant individuals will give place to a dynamic setting where limit cycles constitute the most plausible long-term outcome. Endogenous sentiment waves, with peaks and troughs of exuberance, are in this way identified in the context of a straightforward interaction scenario.
Keywords: Exuberance, Social interaction, Sentiment waves, Limit cycles, Neimark-Sacker bifurcation.
D7 - Analysis of Collective Decision-Making: General
Manuscript Received : Apr 30 2016 Manuscript Accepted : Sep 03 2016

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