During the 1970s and 1980s the banks had invested very much in the ICT, which was made possible due to high profitability. In this structural change, Finnish banks profited from these investments in changing their way to operate and they became forerunners in internet-banking. This shows once more how necessity becomes the mother of invention.
If it widened markedly, private capital inflow risked being insufficient to cover it, and interest rates would have to be raised to attract more capital and to reduce the demand for imports. This would be a major cause of the subsequent contraction, such as the “credit squeeze” of 1961.