A leader from a highly collectivist, large power distance culture may have a difficult time adjusting to life in a highly individualist, small power distance culture. Specifically, they could experience feelings of disorientation and stress known as.

culture shock

Explanation:

Culture shock is the feeling of disorientation, uncertainty and anxiety that a person experiences when they are suddenly faced with visiting, living or doing business in a different society that contrasts or has a different culture from theirs. It has five stages:

The honeymoon stage

Hostility and irritability

Gradual adjustment. ..

Adaptation

Re-entry travel shock.

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.