From the Wall  Street Journal.com:
Warren Buffett, one of the world's richest  men, reiterated his support for the controversial estate tax, which  levies a tax of up to 55% on the estates of the wealthy.
 
He called the tax a "good way to  collect money" in a time when the government needs to collect more  in taxes.
Buffett of Berkshire Hathaway Inc. made  the comments Monday in an interview with Liz Claman that was aired on  Fox Business Network.
Buffett estimated the estate tax raises  about $25 billion a year, which amounts to about 1% of the revenue of  the country.
"If you don't get it from estate  tax," it would need to be replaced he said, and he said he has  seen no proposal for making up the money.
Buffett is donating most of his own holdings  to a charitable foundation run by Bill Gates, chairman of Microsoft  Corp., who also spoke during the interview in support of the tax. Buffett  also advised investors to invest in equities regularly over time rather  than try to time the market.
"This is a poor time to buy government  bonds," he said.
Buffett also said that commercial real  estate will continue to fall in value. Values "will hit the skids  big time," he said.
He responded to criticism of credit rating  agencies by saying investors should not rely on ratings to make investing  decisions. Berkshire owns about 20% of the company that owns Moody's  Investors Service. The agencies have been criticized in the past year  for giving good ratings to securities that ended up posting big losses.
 
During Berkshire Hathaway's annual meeting  over the weekend, Buffett said the company had earned $1.7 billion in  operating earnings for the first quarter, down 10% from $1.9 billion  a year earlier. The company will report full earnings on Friday.
 
Buffett also said some of the derivatives  contracts the company has written in recent years will probably lose  money.
Buffett has criticized derivatives contracts  over the years but revealed that he more than doubled the number of  derivatives contracts he held in 2008 to 251 because the contracts were  "mispriced."
