Table 3 Weight of third-level evaluation index.

From: Empowering China’s cross-border e-commerce: high-quality development explored through fsQCA

First-level index

Second-level index

Third-level index

Weight

Ranking

Model type

Financial performance evaluation of listed firms

Profitability

Return on equity (ROE)

0.016

2nd

Swallowtail model

Return on assets (ROA)

0.005

3rd

Return on invested capital (ROIC)

0.017

1st

Operational capability

Accounts receivable turnover

0.393

1st

Swallowtail model

Inventory turnover

0.180

3rd

Total asset turnover

0.232

2nd

Growth capability

Total asset growth rate

0.054

1st

Swallowtail model

Revenue growth rate

0.045

2nd

Sustainable growth rate

0.011

3rd

Debt repayment capability

Current ratio

0.020

1st

Swallowtail model

Quick ratio

0.018

2nd

Debt-to-assets ratio

0.002

3rd

  1. Note: According to the classification theorem, there are two catastrophe models: cusp-like catastrophe and umbilical catastrophe (Arnold et al., 1986). This article, based on related research, chose cusp-like mutations (including four types: Fold model (including one type of singular lines), Cusp model (including two types of singular lines), Swallowtail model (including three types of singular lines), Butterfly model (including four types of singular lines) (Anthony et al., 2019; Guastello et al., 2019).