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In risk analysis, any ratio that measures a company's leverage. One example of a gearing ratio is the long-term debt/capitalization ratio, which is calculated by taking the company's long-term debt and dividing it by its long-term debt added to its preferred and common stock.
Poisson's ratio deals with the way stretching or compressing an object in one direction causes it to compress or stretch in the other direction. The ratio measures the extent of this effect in a particular substance.This can vary considerably, and the ratio can even be negative, usually in man-made substances.oisson's ratio deals with the way stretching or compressing an object in one direction causes it to compress or stretch in the other direction. The ratio measures the extent of this effect in a particular substance.