Annual economic summit conferences bringing together leaders of the United States, Britain, France, West Germany, Italy and Japan have been held since 1975 with Canada joining in 1976. Here is a capsule summary:
1--Chateau de Rambouillet, France, Nov. 15-17, 1975. Agreed to stimulate economies; accepted flexible exchange rates; gave strong support and momentum to Tokyo Round of trade talks, which three years later lowered tariff barriers.
2--San Juan, Puerto Rico, June 27-28, 1976. Called for balanced growth, stressing danger of a "new wave" of inflation.
3--London, May 7-8, 1977. Agreed on broad economic policies, those with stronger economies (United States, West Germany, Japan) emphasizing growth, those with higher inflation stressing stabilization; approved increased reliance on nuclear energy, and gave further impetus to trade-liberalization talks.
4--Bonn, July 16-17, 1978. Agreed on coordinated economic policies with respect to growth, deficits and inflation; pledged conservation and other steps on energy; promised support for developing countries.