Answer: competitive inertia
Explanation: Competitive inertia or corporate inertia refers to a company that is rigid in its way of operations and refuses to change its way of thinking as per the changing norms in the industry.
In the given case, Cajemp inc. is refusing to start making building from concrete blocks in place of brick and mortar due to their positive past experiences.
Hence from the above we can conclude that the given case illustrates competitive inertia.