This paper examines whether firm-level asset investment effects in returns found for U.S. firms occur within the Greek stock market. We find that growth in total assets is strongly negatively related to future stock returns of Greek firms. In fact, the relation remains statistically significant,...

Using high-frequency intraday data, we construct, test and model seven new realized volatility estimators for six international equity indices. We detect jumps in these estimators, construct the jump components of volatility and perform various tests on their properties. Then we use the class of...