3 ms·
Warren Buffett calls it an "economic moat". http://www.investopedia.com/ask/answers/05/economicmoat.asp http://www.investopedia.com/ask/answers/05/economicmoat.
by dbarlett 12y ago
Warren Buffett calls it an "economic moat". http://www.investopedia.com/ask/answers/05/economicmoat.asp http://www.investopedia.com/ask/answers/05/economicmoat.asp