In English it is also dirigism and both spellings are used by the OED.
French philosopher Pierre Musso, in his book Le Sarkoberlusconisme, claims that Sarkozysm is comparable to the policies of Silvio Berlusconi in Italy: a political 'break' with the methods of the past, a common emphasis on a certain work ethic, economic liberalism with a dose of dirigisme (or Colbertism), and a pro-American foreign policy.