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.
A flat yield curve is observed when all maturities have similar yields, whereas a humped curve results when short-term and long-term yields are equal and medium-term yields are higher than those of the short-term and long-term. A flat curve sends signals of uncertainty in the economy.