Background: Research in various academic disciplines has undergone tremendous changes in the era of big data. Everyone is talking about big data nowadays, but how exactly is it being applied in research on financial studies? Results: This study summarizes the sources of Internet big data for...

To meet general objectives of the article, i.e. to check the extent to which the information needs of financial market institutions are satisfied, and to learn about whether there is a transition in this realm triggered by the advent of social media and big data, we surveyed a sample of 415...

This study quantifies the dynamic interrelationship between the KOSPI index return and search query data derived from the Naver DataLab. The empirical estimation using a bivariate GARCH model reveals that negative contemporaneous correlations between the stock return and the search frequency...

Retail investors, on average, are known to be less informed. The democratized access to big financial data enabled by recent technological advances has the potential to make them better informed. At the same time, behavioral finance and economic theories postulate that such unprecedented access...