【題目】 The expansion of capital that can occur in the long-run but not in the short-run, means that the long-run supply is
sloping downwards while the short-run supply curve is upward sloping.
more elastic than the short-run supply curve.
less elastic than the short-run supply curve.
perfectly horizontal while the short-run supply curve is upward sloping.
答案是:more elastic than the short-run supply curve.