This paper examines whether share repurchase announcements are signals of undervaluation or insiders’ opportunistic activities by investigating insider trading patterns surrounding buyback announcements in Vietnam. Consistent with the insider opportunism hypothesis, we show that insiders are...

Drivers of environmental quality have recently been identified in a large body of literature. However, the ecological effects of both regimes of monetary policy remain under-explored so far. Moreover, previous studies use limited samples and econometric approaches. Climate change from the...

This study examines the associations of corporate governance with firm risk-taking and performance in a typical frontier equity market characterized by high ownership concentration and weak investor protection. Using an extensive sample of Vietnamese listed firms, we find (1) no relation between...

Purpose: This paper examines the effects of managerial optimism on corporate cash holdings. Design/methodology/approach: The authors construct a novel measure of managerial optimism based on the linguistic tone of annual reports by applying a Naïve Bayesian Machine Learning algorithm to...