Indeed, research conducted since the mid-1980s has shown that the bacterium Helicobacter pylori(H. pylori) is present in more than 90% of duodenal ulcers and about 80% of stomach ulcers. However, more recent figures indicate those percentages are declining.
Yield curves can be classified as upward sloping flat. This preview shows pages 7â16. Sign up to view the full content. This preview has intentionally blurred sections. Sign up to view the full version. This preview has intentionally blurred sections.
2. Whatâs a flat yield curve? A yield curve goes flat when the premium, or spread, for longer-term bonds drops to zero -- when, in other words, the rate on 30-year bonds is no different than the rate on five-year bonds. If the spread turns negative, the curve is considered âinverted.â