Siganos, Antonios; Vagenas-Nanos, Evangelos; … - In: Journal of Economic Behavior & Organization 107 (2014) PB, pp. 730-743
We examine the relation between daily sentiment and trading behavior within 20 international markets by exploiting Facebook's Gross National Happiness Index. We find that sentiment has a positive contemporaneous relation to stock returns. Moreover, sentiment on Sunday affects stock returns on...