impact on information efficiency. We construct two meme stock indices based on stocks whose purchase the Robinhood app … restricted during the GameStop episode. We provide evidence of meme stock market efficiency. Our results indicate, perhaps … efficiency …

The main purpose of this study is to investigate whether there is a relationship between bank efficiency and stock …. However, the results suggest that profit efficiency is more informative than cost efficiency as the former explains, to a …-2009) appears to have a negative influence on both banking efficiency and stock performance …

The purpose of this paper is to examine whether the stock performance of EU listed banks is related to their efficiency … analysis to estimate the cost and profit efficiency of banks, while controlling for environmental factors. Then, we investigate … if changes in profit and cost efficiency are reflected in changes in stock prices. Our results indicate that the change …