Professor Rui Yao is in department of economics and finance. he had a graduate studies in Economics and Ph. D. in finance.The Life-Cycle effects of House Price Changes, How do house price changes affect consumption?, optimal consumptions and portfolio choices with risky housing and borrowing constraints, a proportional hazard model of commercial mortgage default with originator bias, and the termination of lending relationships through prepayment and default in the commercial mortgage market: a proportional hazard approach with competing risks was co-published by Rui Yao. he had a lot of presentation regarding to finance and economic area.