Which challenge is described as among the hardest when two large firms merge?

1. A merger raises structural questions about centralization, about grouping by geography or product line, and about consolidating cultures. 2. Beyond designing a new structure, one of the most difficult challenges is uniting the cultures and creating a single business. 3. Failure to merge cultures effectively can have serious effects on organizational efficiency. 4. Naming, listing, and pricing decisions are settled before the integration work even begins. _Source: OpenStax Introduction to Business (CC BY 4.0), Ch 7 "Designing Organizational Structures", section 7.8 Structuring for Global Mergers_