Fear is a powerful management tool often linked to dictatorial coaching styles. Both can offer speedy, short-term results.
Far better though to develop self-regulation and autonomy as hall-marks of your organisational culture. Takes more time and effort over a 'do this or else' approach where control by those in power is the dominant leadership strategy, but where relationships break-down, trust is never built and individuals don't grow.
See this interesting link on British cycling.