第一个问题什么叫securitilizaton(证券化),答曰it is the process of combining loans
with similar characteristics for collateral to issue debt. PhD G**头。我暗自庆幸自己背
了定义来的。
接着他从我简历上的第一个项目问到最后一个项目。
从data的source, distribution,sampling,bias,问到regression method, model
assumption,why this assumption,why this indicator, why not other indicator, 再到
conclusion, how to interpret,how to explain,最后问我认为model应该如何改进,各种细
节,精确到汗毛。