Is Quantile Connectedness Flexible or Uniform Under Catastrophic Tenure? Insights into ESG Investing and Financial Markets in the Quad Nations. - Yadav, Miklesh Prasad; Kushwah, Silky Vigg; Sehgal, Vandana; Saradhi, Vadlamudy Raveendra; Shore, Adam Philip (Global Journal of Flexible Systems Management, 2026)