As you can see in the chart, the survey results suggest that banks have been tightening credit standards since the onset of the financial crisis, making it more difficult for companies to finance their activities; lending standards have been tightened in particular for large enterprises.
The global financial system is still well short of the theoretical ideal of complete financial markets, but clearly it is moving in that direction. Market participants now use an array of financial instruments that, twenty years ago, were not actively traded and, in many cases, did not even exist. The growth of derivatives is a useful example of this trend.