This is a capitalization ratio of 18%, which is quite cushy, and appropriate for the sort of environment that the bank finds itself in.

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Both companies are similarly valued if you look at market capitalization plus debt as a ratio of earnings before accounting charges, a common valuation tool for telecom firms.

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The ratio of common market capitalization to sales, at 1.8, is well below the long-run average of 2.6.

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The AmSouth Small Cap Growth Fund, with a 5.5% load and 1.6% expense ratio, has beaten the Target Small Capitalization Growth Fund, which is a no-load and charges 1%.

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The usual practice is to invert this ratio to find what's called a capitalization rate.

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These new shares expand market capitalization and drive up the price-to-sales ratio.

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And all this is a nice reminder that the rent-versus-own ratio and its divinely inspired cousin, the capitalization rate, is perhaps the most important calculation you should make in your financial life.

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The deal also helps Bank of America move toward its capitalization goals under the Basel III accord, as MSRs count negatively against the total capital ratio.

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