BALLADUR HAS HAD CONTACT WITH G-7 MINISTERS French Finance Minister Edouard Balladur has been in contact with several Finance Ministers from the Group of Seven leading industrial countries, in particular West German Finance Minister Gerhard Stoltenberg, to discuss the crisis on world markets, Finance Ministry sources said. They did not say whether the contacts had led to concerted action on the markets or merely an exchange of views. But they added that French ministry officials were continuing the contacts to exchange views on market performance.