1. Agovino M, Matricano D, Garofalo A (2020) Waste management and competitiveness of firms in Europe: a stochastic frontier approach. Waste Manage 102:528–540
2. Altomonte C, Gábor B (eds) (2016) Measuring competitiveness in Europe: resource allocation, granularity and trade, Bruegel Blueprint Series, vol XVIV. Bruegel, Brussels
3. Alzaabi H, Marni N, Huda M (2020) Investigating risk management in municipalities in United Arab Emirates (UAE): An empirical research. J Crit Rev 7(7):70–82
4. Araujo de Souza T, da Cunha M (2018) Performance of Brazilian total factor productivity from 2004 to 2014: a sectoral and regional analysis. J Econ Struct 7:24
5. Arias-Robles M, Alarcón S (2021) Economic efficiency of Colombian agricultural companies: an empirical study of stochastic production frontiers. DYNA 88(216):48–54