Companies with good credit ratings are paying higher interest rates and others are finding it harder to borrow as investors flock to safe Treaury bills and government debt. And in 2009 about $700 billion in debt has to be refinanced. Southwest Airlines needed $400 million partly to cover losses from betting that fuel costs would remain high. It is the only domestic airline with an investment grade rating. It had to pay interest of 10.5%, twice the rate it paid in 2004 to raise $350 million. It is doing the borrowing now because its CFO says it does not know what the credit markets will be like 6 months or a year from now. Corporations borrowed $172.7 billion in the 4th quarter, down from $179.1 billion in the last 3 months of 2007, with businesses trying to borrow ahead of further deterioration in credit markets and overcrowding as the government steps up its borrowing to meet the needs of the $825 billion stimulus spending. Businesses that cannot get the access to the credit as refinancing comes due or find the high interest rates (sometimes approaching 20%) onerous, may not survive. ...