An economist behind a wealth tax plan embraced by the French left on Sunday urged France's richest person, Bernard Arnault, to show "respect for the truth" after the luxury goods tycoon described him as a "pseudo-academic" who wanted to "destroy the French economy".
With France under pressure to erode its growing debt pile and budget deficit, French economist Gabriel Zucman, 38, has suggested the ultra-rich pay at least a two-percent tax on their fortune.
