Customer concentration and shareholder litigation risk: Evidence from a quasi-natural experiment

N Wongsinhirun, P Chatjuthamard, P Jiraporn… - Journal of Behavioral …, 2024 - Elsevier
Capitalizing on a unique ruling by the Ninth Circuit Court of Appeals that unexpectedly
raised the difficulty of shareholder litigation, we examine how an exogenous reduction in …

Corporate culture, innovation and board size: recent evidence from machine learning and earnings conference calls

P Chatjuthamard, P Jiraporn - … The International Journal of Business in …, 2023 - emerald.com
Purpose Taking advantage of a novel measure of innovative culture generated by advanced
machine learning, this study aims to investigate how a culture of innovation is influenced by …

Estimating the effect of board independence on innovation efficiency using research quotient: a quasi-natural experiment

P Chatjuthamard, S Treepongkaruna… - … International Journal of …, 2023 - emerald.com
Purpose Exploiting a novel measure of innovation, the authors investigate whether
independent directors improve innovation efficiency. This novel measure of innovation …

Effect of customer concentration on firms' operating performance during the COVID-19 pandemic

YS Park, J Na, YS Lee - International Journal of Production …, 2024 - Taylor & Francis
This study investigated the effect of a supplier's customer concentration level on its operating
performance during the COVID-19 pandemic. Using a large sample of publicly listed US …

Customer concentration, managerial risk aversion, and hostile takeover threats

P Chatjuthamard, P Jiraporn, SM Lee… - The Quarterly Review of …, 2024 - Elsevier
Exploiting a unique measure of takeover vulnerability principally based on the staggered
passage of anti-takeover state legislations, we investigate how customer concentration is …

Rookie independent directors and agency costs: Evidence from Chinese listed firms

WB Khidmat, N Ashraf, SF Yeo, CL Tan, MN Shafique - Heliyon, 2024 - cell.com
This study investigates the impact of rookie independent directors (RIDs) on agency costs.
Utilizing a sample of Chinese listed firms, we employ panel ordinary least square …