Efficiency and productivity change in Taiwan's hospitals: a non-radial quality-adjusted measurement. - Chia-Hsuan Wu; Ching-Cheng Chang; Po-Chi Chen; Ken-Nan Kuo (Central Eur. J. Oper. Res., 2013)

Nonradial Directional Performance Measurement with Undesirable Outputs: An Application to OECD and Non-OECD Countries. - Po-Chi Chen; Ming-Miin Yu; Ching-Cheng Chang; Shih-Hsun Hsu; Shunsuke Managi (Int. J. Inf. Technol. Decis. Mak., 2015)

A reassessment of the Global Food Security Index by using a hierarchical data envelopment analysis approach. - Po-Chi Chen; Ming-Miin Yu; Jou-Chen Shih; Ching-Cheng Chang; Shih-Hsun Hsu (Eur. J. Oper. Res., 2019)