That is, the apparent 104-basis-point yield advantage of the 30-year 5.5% Freddie Mac over a seven-year Treasury is less than it seems.

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On yields pest resistant corn showed big differences in yield advantage - five times higher in the Prairie states than in the main crop-growing states.

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The team thinks all of these factors present a catalyst for investors to enjoy the higher current income versus investment grade and potentially for the yield advantage to compress further leading to modest capital appreciation.

FORBES: Should Investors Still Go For High Yield?

That yield advantage compensates you for three things.

FORBES: When Spreads Blow Out

By showing agreement with the president when warranted, or when inexpensive, Romney neutralized issues that would yield little advantage to him.

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Finally, realize that even in the current low interest rate environment, short-term, low-yield bonds offer the advantage of liquidity and little downside risk, allowing them to potentially play an important role in your portfolio.

FORBES: Buffett's Right, Bonds May Fall Victim To Inflation But Hold Them For Now

"It has been an opportune time for corporate borrowers from Eastern Europe to tap the international bond markets, with many Russian, Kazakh and Ukrainian names taking advantage of the stretch for yield to borrow in dollars for the first time since the global crisis, " says Richard Segal, emerging-market strategist at Jefferies International.

WSJ: Investors Snap Up Eastern Europe Debt

This week, several banks raised interest rates for diligent savers taking advantage of so-called high-yield savings accounts.

FORBES: Banks Raise Interest Rates, Savers Give Up Hope

All these crises are alike in that the bankers play the yield curve and push money out to doubtful borrowers in order to get maximum advantage of the spread between the cost of borrowing short term and lending long term.

FORBES: It ain't over yet