Accounting for externalities and disposability: A directional economic environmental distance function. - Nicole Adler; Nicola Volta (Eur. J. Oper. Res., 2016)

The spatial dimension of competition among airports at the worldwide level: a spatial stochastic frontier analysis. - Angela Stefania Bergantino; Mario Intini; Nicola Volta (Eur. J. Oper. Res., 2021)

Identifying Merger Opportunities: The Case of Air Traffic Control. - Nicole Adler; Ole Bent Olesen; Nicola Volta (Oper. Res., 2024)