The dynamics of cryptocurrency prices and on-line search about them during the 2016-2018 period reveals a direct/positive mutual feedback relationship during the bubble formation phase that weakened considerably when the prices started to fall. This behavior is prevalent for Bitcoin and...

The present study examines the influence of investor sentiment on the risk-return relationship in the Brazilian stock market from 2002 to 2015. Using the Consumer Confidence Index as a substitute for the level of investor sentiment, we found that the relationship between conditional variance and...

This paper presents the first evidence that retail investors play a central role in a speculative attack. Investigating the attacks that affected several emerging economies in the second semester of 2018, I document a strong influence of investor attention on the price and risk of the currency...