Alladi Ramakrishnan Hall

Unraveling economic and financial networks: exploring insights through statistical physics and random matrix theory

Abhijit Chakraborty

Graduate School of Advanced Integrated Studies in Human Survivability (GSAIS), Kyoto University, Kyoto, Japan

In the first part of my talk, I will present inequality in economic shock exposures across the global firm-level supply network. Using firm-level data from the global supply network, we propose a method to estimate a country's exposure to direct and indirect economic losses resulting from the failure of a company in another country. We illustrate the network of systemic risk flows across the world and find that wealthy countries expose poorer countries much more to systemic risk than vice versa.

In the second part of my talk, I will introduce a novel method of correlation tensor spectra for dynamical XRP networks. The singular values and singular vectors of the correlation tensor of XRP transaction networks provide crucial insights into the system. .