This study examines if informed trading is present in the index option market by analyzing
the KOSPI 200 options, the most actively traded derivative product in the world. The spread …

This study proposes a new estimation approach for option valuation (an implied pricing
kernel‐based approach), which estimates model parameters under the physical probability …

In the present study, we examine two important issues related to the information content of a
trade in option markets: (i) whether trade size is related to information content; and (ii) …

This article examines how investor sentiment and trading behaviour affect asset returns. By
analysing the unique stock trading dataset of the Korean market, we find that high investor …

This study examines and compares the information content of futures and options trades by
analyzing the transaction dataset of derivatives underlying the KOSPI 200 index. This …

Using a sample of commercial banks based in OECD countries, we investigate the effect of
bank diversification on financial stability and find a significantly nonlinear (ie, inverted U-…

Blockchain technology has been recommended for the sustainability in the manufacturing
industry, owing to its benefits in terms of real-time transparency and cost savings. To verify this…

In this study, we examine the determinants of corporate environmental responsibility (CER),
as well as the relationship between legal systems and CER as measured by a unique set of …

This study examines the influence of investor sentiment on the relationship between
disagreement among investors and future stock market returns. We find that the relationship …

This study examines the market for green bonds, which have been in the spotlight as an eco-friendly
investment product. We analyze the volatility dynamics and spillovers between the …