Translate the following English sentence to French:
"However, in my opinion, further study of certain areas is necessary, such as the way the competition criteria are applied and how to tackle a market which is as yet imperfect."
Il est toutefois nécessaire, selon moi, d'approfondir certains points, tels que les applications des critères de concurrence et la façon d'affronter un marché encore imparfait.