Diversification plays an important role in financial theory and lays the foundation for financial risk management. However, its role is greatly weakened when systemic risk events occur. In this paper, we study portfolio selection against systemic risk from the perspective of individual...

Exchange rate is quoted by dealers based on the order flow they receive. Market survey and FX market microstructure literature suggest that financial customers order flow is the most informative and leads total order flow. This paper explains exchange rate dynamics by linking financial customers...