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.
An inverted yield curve, by contrast, has been a reliable indicator of impending economic slumps, like the one that started about 10 years ago. In particular, the spread between three-month bills and 10-year Treasuries has inverted before each of the past seven recessions.