This risk could even be self-fulfilling, leading savers to reduce their bank deposits and amplifying volatility in normal times too.
A recent article in The Economist noted that “the cost of a three-minute telephone call between London and New York has fallen from $ (in 1996 dollars) in 1930 to $ today”. The same article stated that “the cost of computer processing power has been falling by an average of 30 percent a year in real terms over the past couple of decades”.