Until recently, the debate on the future of the German economic model generally set the supporters of labor flexibility (on the business side) against the supporters of monetary easing (on the Trade Union side). The increase in agreements on labor flexibilization during 1996, shows a changing behaviour of Trade Union which has to be explained. In January 1996 the négociations « Kanzlerrunde » under the sponsorship of Helmut Kohl, emphasized the constraints due to the reunification cost, in a context of rising DM. One year later, the recovery of exports and the normalization of the exchange rate, have reduced the monetary constraint. However, the labor market adjustment goes on, and the West side unemployment rate has overtaken its historica...