Symposium for Theory and Experiment will be organized by the【center for Intelligence Economic Science (IES) • 智慧经济科学研究中心】at SWUFE on Nov 29-30,2025. We envisage the symposium as a platform for scholars to exchange ideas and collaborate on advancing research with a decision theory, mechanism design, and experiment focus. The conference is open to all approaches and modalities, encouraging diverse perspectives.