Europe, with a combined economy about the size of the United States', provides $31 billion of foreign aid, and the United States, $9.5 billion.

East Asia could surpass all western nations' combined economies as early as 2030.

The next trade dogfight is gearing up on Capitol Hill, this time over a trade pact with six Central American countries that altogether have a combined economy smaller than Connecticut's.

One result is that Europe, with a combined economy about as big as that of the United States, is in no position to take over as the locomotive of world economic growth.

If China's prodigious growth continues, the World Bank said, the combined economies of China, Hong Kong and Taiwan will be larger than the United States economy in less than a decade.

Citroen claims this package delivers a combined economy of up to 58.9mpg for the C4 Picasso and 57.6mpg for the Grand C4 Picasso.

The United States accounted for 26.7 percent of world output in 1995 and 18.3 percent of world trade, roughly equivalent on both counts to the combined 15 national economies in the European Union.

But count those kilowatts in the battery, and the real average was 64 m.p.g. (The E.P.A. estimates the Volt's combined gas-electric economy at 60 m.p.g., and its all-electric operation at the energy equivalent of 93 m.p.g.)

Demand for Goods Seen In another decade, the World Bank predicts, the combined economies of China, Taiwan and Hong Kong will grow larger than the United States economy.

Istanbul-Kocaeli-Sakarya-Yalova-Bursa metropolitan areas, almost continuously inhabited, form one single megalopolitan area around the eastern part of Marmara Sea, with total population of almost 20 Million and with the combined economy of US$750 Billion.