The Delaware study is unusual because it used data from companies actually involved in Soviet trade or joint ventures.
There could be short-term disruption of Soviet trade, depending on developments.
That's not petty cash but neither is it large in the context of total agricultural Soviet trade.
Until last year Soviet trade with Cuba was increasing by about 10 percent a year.
Soviet trade later expanded to its neighbouring countries in Asia.
Soviet foreign trade played only a minor role in the Soviet economy.
Soviet trade with the Third World has been marked by two characteristics.
Until 1987 Soviet trade with Cuba had been increasing about 10 percent a year.
But the chaos in Soviet trade dwarfs all the rest.
But for many companies that relied heavily on Soviet trade, the adjustment has been wrenching.