Reply to Johansen's comment
  This is a reply to Johansen's comment on `Are Financial Crashes Predictable?', by L. Laloux, M. Potters, R. Cont, J.P. Aguilar, J.P. Bouchaud, Europhys. Lett. 45, p. 1 (1999). 
Laurent Laloux, Marc Potters, Jean-Pierre Aguilar, Jean-Philippe   Bouchaud