My friend is confused whether he should go for mim or not

My friend graduated this year is planning for masters in management and targeting b schools in France mainly hec Paris, Essec and ESCP as he told me but he is confused whether he should go for it or not keeping in mind he will stay there for few years and want to earn decent , he knows that usa is best in terms of salary but current scenario is preventing them from applying to techno-managerial masters like mem/msba