As the world's third-richest person and most celebrated investor, Warren Buffett attracts a lot of attention. Thousands try to glean what they can from his thinking processes and track his investments.

We can't know for sure whether Buffett is about to buy Ebix (Nasdaq: EBIX) -- he hasn't specifically mentioned anything about it to me -- but we can discover whether it's the sort of stock that might interest him. Answering that question could also reveal whether it's a stock that should interest us.

In his most recent 10-K, Buffett lays out the qualities he looks for in an investment. In addition to adequate size, proven management, and a reasonable valuation, he demands:

  1. Consistent earnings power.
  2. Good returns on equity with limited or no debt.
  3. Management in place.
  4. Simple, non-techno-mumbo-jumbo businesses.

Does Ebix meet Buffett's standards?

1. Earnings power
Buffett is famous for betting on a sure thing. For that reason, he likes to see companies with demonstrated earnings stability.

Let's examine Ebix's earnings and free cash flow history.

Ebix

Source: Capital IQ, a division of Standard & Poor's. Free cash flow is adjusted based on author's calculations.

Over the past five years, Ebix has grown its earnings pretty significantly.

2. Return on equity and debt
Return on equity is a great metric for measuring both management's effectiveness and the strength of a company's competitive advantage or disadvantage -- a classic Buffett consideration. When considering return on equity, it's important to make sure a company doesn't have an enormous debt burden, because that will skew your calculations and make the company look much more efficient than it actually is.

Since competitive strength is a comparison among peers, and various industries have different levels of profitability and require different levels of debt, it helps to use an industry context.

Company

Debt-to-Equity

Return on Equity (LTM)

Return on Equity (5-Year Average)

Ebix

10%

24%

32%

Pegasystems (Nasdaq: PEGA)

0%

(2%)

5%

Bottomline Techlogies (Nasdaq: EPAY)

0%

3%

(4%)

Accelrys (Nasdaq: ACCL)

0%

0%

(2%)

Source: Capital IQ, a division of Standard & Poor's.

Ebix produces a high return on equity while employing limited debt.

3. Management
CEO Robin Raina has been at the job since 1999.

4. Business
Ebix's insurance exchanges require continual innovation, but the industry isn't particularly susceptible to technological disruption.

The Foolish conclusion
Regardless of whether Buffett would ever buy Ebix, we've learned that the company exhibits many of the characteristics of a quintessential Buffett investment: growing earnings, high returns on equity with limited debt, and tenured management.

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