The opportunistic behavior effect on PPP contract renegotiation docs.google.com The questionnaire submitted to you is carried out as part of the preparation of a doctoral thesis in marketing at the Higher Institute of Management of Tunis, on the theme "opportunistic behavior effects on PPP contract renegotiation". In order to ensure the high quality of research leading to significant scientific conclusions, I would be grateful if you would complete carefully this questionnaire. The information extracted from this questionnaire will only be used within a limited scientific framework and will not be delivered or disseminated to any other party. Lien de téléchargement de la version Anglaise du questionnaire https://docs.google.com/forms/d/e/1FAIpQLSfqmbK5uJOc58z9WJv-9eSXhUrEZa5ZrFXYRmBGKYErHeAmRA/viewform?vc=0&c=0&w=1