T1CRC and TIE ratios

It includes the ratios: Tier 1 (core) risk-based capital / total assets and Total interest expense/ Total interest income for 5,284 U.S. banks from 2000 to 2016. We calculate the average values of these two ratios at a sectoral level to assess the resileince in the U.S. banking sector.本数据集涵盖2000年至2016年间5284家美国银行的两类比率：一级（核心）风险加权资本（Tier 1 (core) risk-based capital）与总资产（total assets）的比值，以及利息总支出（Total interest expense）与利息总收入（Total interest income）的比值。我们在行业层面计算这两类比率的平均值，以评估美国银行业的抗风险韧性。