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Gioacchino Pappalardo
Associate Professor of Agricultural Economics, Department of Agriculture, Food and Environment (Di3A), University of Catania, Via Santa Sofia 98-100, 95123 -Catania, Italy
Roberta Sisto
Associate Professor of Agricultural Economics, Department of Economics, University of Foggia, Largo Papa Giovanni Paolo II - 71100 -Foggia, Italy
Biagio Pecorino
Professor of Agricultural Economics, Department of Agriculture, Food and Environment (Di3A), University of Catania, Via Santa Sofia 98-100, 95123 -Catania, Italy