03/01/2002 (Agence Europe) - The OECD's annual report "International Migration Tendencies - SOPEMI 2001" notes that the stricter surveillance that the organisation's member States exercise at their national borders since the events of 11 September could lead to a reduction illegal immigration. Furthermore, the report recommends a simplification and greater transparency of procedures in force to obtain diploma equivalence or "student" stay permits, as well as the putting in place of measures aimed at limiting the risks of the brain drain (info: Jean-Pierre Garson, OECD in Paris. Tel: 33 1 45 24 91 74. E-mail: jean-pierre.garson@oecd.org).