The president of the American Bankers Association says the legislation "changes the entire business model of credit cards."

VOA: special.2009.05.22

"If you want to do good, there needs to be a business model behind it.

VOA: special.2011.07.29

One is the mega-chain Wal-Mart. "On one hand,Wal-Mart's whole business model is based on consumption.

VOA: standard.2010.01.23

"When I was talking about knowing if my business is viable or not, through a profit-and-loss model, I was like 'Wow,I didn't even know the word viable before, and now I do.'

VOA: special.2011.06.30