| 基金项目： | The paper is the result of a complete cooperation and it is, therefore, of responsibility of all authors. The material drawing up of paraghraphs ＂Adopted methodology to lead the survey＂ and ＂Conclusions＂ are attributable to Maurizio Lanfranchi; paragraphs ＂Introduction＂ and ＂Socio-economic characteristics of the sample＂ are attributable to Carlo Giannetto; the paragraph ＂Data Processing＂ to Maurizio Lanfranchi and Carlo Giannetto; the paragraph ＂Bivariate statistical analysis of qualitative variables＂ is attributable to Agata Zirilli and Angela Alibrandi. This study is a result of the project ＂Studies and Research of Agrifood Economics＂ coordinated by Maurizio Lanfranchi. |
