Answer:
- Population ecology.
Step-by-step explanation:
'Population ecology' is characterized as the kind of inter-organizational association in which asserts that the dynamic changes takes places in the level of population as an outcome of the selection of their organization and its failure to replace with the evolution/change in the environment. As per Hannan & Freeman's theory of organizational ecology, an organization(like the grocery store in the given situation) faces decline in sales due to their selection of the orgnaization as the structural inertia of the orgnaization does not allow it to adapt the environmental changes and the changes in demands of the population.