Sunken cost theory will predict that since you've invested so much in terms
of time, content, and
training, that you'll keep the Learning Management System you have and keep pouring money into it.
Delivering mitigation actions in the short ‐ term will avoid future lock ‐ in effects resulting from the slow turnover
of stock (particularly aircraft,
trains, and ships) and the long ‐ life and
sunk costs of infrastructure already in place.