This dissertation consists of three essays in empirical banking. In the first essay, I trace a fully-specified bank lending channel by using a trade shock, the law of the US granting China Permanent Normal Trade Relation Status (PNTR shock) in 2001. PNTR shock enables me to delineate a clear pathway of the shock’s transmission. Specifically, PNTR shock causes banks to terminate the lending relationship and tighten loan contracts with firms in the trade sector. Next, PNTR shock negatively impacts the bank’s performance via lending relationships. In response to the PNTR shock, banks hedge risk by holding more security assets. Finally, Banks pass this shock to non-trade sector firms in their loan portfolio. Using a micro-econometrics estim...