What happened during a bank panic

People tried to take all their money out of the bank.
People stayed away from banks they were.
Afraid of thieves.
Banks loaned more money
More money to try to compete with other banks.
Banks asked the government to protect them for unfair practices

An informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.