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The inflationary scenarios suggested by the duality properties of stringcosmology in the Brans-Dicke (or String) frame are shown to correspond toaccelerated contraction (deflation) when  Weyl-transformed to the Einstein frame. We point out that the basic virtuesof inflation (solving the flatness and horizon problems, amplifying vacuumfluctuations, etc.) have physically equivalent counterparts in the deflationary(Einstein-frame) picture. This could be the answer to some objections recentlyraised to superstring cosmology.Comment: 14 pages, CERN-TH.6955/9

INFLATION, DEFLATION, AND FRAME-INDEPENDENCE IN STRING COSMOLOGY