SYDNEYNEW YORK, March 13 Reuters U.S. regulators may have stemmed a banking crisis by guaranteeing deposits of collapsed Silicon Valley Bank SVB, but some experts warn that the move has encouraged bad investor behaviour.

Following a weekend of discussions over the future of SVB owner SVB Financial Group , banking regulators unveiled emergency funding plans for the bank.

Billionaire hedge fund manager Bill Ackman wrote on Twitter that if authorities had not intervened, we would have had a 1930s bank run continuing first thing Monday causing enormous economic damage and hardship to millions.

More banks will likely fail despite the intervention, but we now have a clear roadmap for how the gov39;t will manage them.

Yet by guaranteeing that depositors would lose no money, authorities have again raised the question of moral hazard removal of people39;s incentive to guard against financial risk.

This is a bailout and a major change of the way in which the U.S. system was built and its incentives, said Nicolas Veron, senior fellow at the Peterson Institute for International Economics in Washington. The cost will be passed on to everyone who uses banking services.

If all bank deposits are now insured, why do you need banks?

Separately, officials said depositors of New York39;s Signature Bank, which the New York state financial regulator closed on Sunday, would also be made whole at no loss to the taxpayer. Also, the Federal Reserve made it easier for banks to borrow…