Kinetic modeling of wealth distribution with varying social behaviors
| 구분 | HYKE |
|---|---|
| 일정 | 2026-01-06 10:30 ~ 11:30 |
| 강연자 | Jie Liao (Shanghai Univ. of Finance and Economics) |
| 기타 | HYKE-Hwarang 세미나 |
| 담당교수 | 하승열 |
Abstract: Social behaviors play a crucial role in shaping wealth distribution in societies, while wealth distribution also has a significant impact on social behaviors. To model the co-evolutionary multi-dynamics of wealth distribution and social behaviors, we study a kinetic model of wealth distribution with varying social behaviors. The model is developed within a semi-discrete framework of kinetic theory for active particles, considering a complex socio-economic system in which individuals are represented as active particles characterized by a vector-valued state encompassing their wealth level and social behavioral preference. A multiscale approach is employed, accounting for both decentralized micro-micro (m-m) interactions between individuals and regulatory micro-macro (m-M) interactions between individuals and societal-scale indicators. Numerical simulations reveal that a system with only m-m interactions trends toward polarization, exhibiting ``winner-take-all" dynamics that often appear in an unregulated competitive society. In contrast, the m-M interactions, interpreted as macroscopic policy or normative control, steer the system toward a more stable and balanced economic structure. This work extends kinetic socio-economic models by coupling wealth and behavioral dynamics, providing a useful tool for analyzing the impact of policy and social design on economic inequality.
