Research Paper (postgraduate) from the year 2021 in the subject Business economics - Miscellaneous, grade: 1.3, ESCP Europe, language: English, abstract: This coursework aims to present behavioural science approaches as part of the research programmes course. The coursework places greater emphasis on the research discipline of sustainable marketing and audit. The detailed presentation of the overall behavioural approach with its numerous junctions is presented right after the introduction, which is part of the second section. Sections three and four outlines a brief summary, an analysis of the behavioural scientific approach, the applied research method and findings as well as a critical evaluation of the performed behavioural approach of both the sustainable marketing and audit paper. Section five aggregate the critical appraisal of both behavioural science approaches that are given in section three and four and place them into relationship to the overall behavioural approach. Finally, section six contains the conclusion.