Support Data Operational Efficiency of Pharmaceutical Companies in China Based on Three Stage DEA with Undesirable Outputs

Sheet 1 contains the original input values, output values, and environmental variables, along with the first-stage results: Technical Efficiency (TE), Pure Technical Efficiency (PTE), Scale Efficiency (SE), and Input Slack. It also includes the adjusted input values from the second stage and the third-stage results: TE, PTE, and SE.

Sheets 2–5 provide a detailed breakdown of the adjustment calculation processes for the four input variables.