Introduction: The hippocampus (HIP), the primary brain structure related to learning and memory, receives sparse but comprehensive dopamine innervations and contains dopamine D1/D2-like receptors. It is demonstrated that dopamine receptors in dentate gyrus (DG) region of HIP have a remarkable function in spatial reward processing. Much less is known about the involvement of HIP and its D1...

The aim of this study is to examine the equity premium puzzle in Iran for the quarterly period of 1993-2016. In this regard, the hybrid bivariate Garch model and also fuzzy dummy variables with consumption capital asset pricing model (C-CAPM) have been used. The results of study show that using C-CAPM within fuzzy dummy variables (CCAPM-F), the relative risk aversion coefficient of investor is ...

This paper investigates the role played by social media platform Reddit in events around GameStop (GME) share rally early 2021. In particular, we analyze impact of discussions on r/WallStreetBets subreddit price dynamics American online retailer GameStop. We customize a sentiment analysis dictionary for users based Valence Aware Dictionary and Sentiment Reasoner (VADER) package perform textual ...