Figure 3. Two-stage DEA model

From

Evaluating Greenhouse Gas Emission Reduction Efficiency of OECD Countries Using Two-Stage Data Envelopment Analysis

Ai-Chi Hsu, Po-Yuan Shih, Ting-Wei Wu

Journal of Business and Management Sciences. 2023, 11(4), 218-228 doi:10.12691/jbms-11-4-1