By this count, 2009 could easily match 1930. The latest data points to 3pc contraction rate since late last year, with no improvement in sight. "Even the worst case scenarios people talked about now look too optimistic. But at least the authorities have done enough to prevent the vicious downward spiral from accelerating. We've haven't seen the sort of run on bank deposits or mass bankruptices that occurred in the 1930s. That is crucial," he said.