E0074: Market Structure Power Analysis Framework

Context

Context: assessing market power for competition policy decisions creates recurring decisions where stakeholders interpret HHI concentration, price-cost margin, and entry rate differently. The organization needs a standard way to compare options using market share data, cost structures, and regulatory barriers so that debates do not restart each cycle. Without a common frame, the efficiency gains versus competition intensity is decided implicitly and accountability weakens. A shared decision log also helps teams learn which assumptions held and which broke under stress.

Options

• Option A: Preserve the current approach to minimize short-term disruption, accepting limited upside.
• Option B: Run a phased change, validate results against agreed metrics, and scale only after thresholds are met.
• Option C: Redesign the approach end-to-end to pursue larger gains, with higher implementation effort and risk.

Decision

Decision: Choose Option B. Sequence the rollout so early results validate HHI concentration, price-cost margin, and entry rate targets, and stop or adjust if assumptions fail. Assign owners, document constraints, and schedule a review checkpoint to avoid drift.

Rationale

Rationale: Option B balances efficiency gains versus competition intensity while preserving flexibility if market conditions move. It allows the team to test market share data, cost structures, and regulatory barriers and protect against the main risk: allowing consolidation that reduces contestability. Phasing also improves organizational buy-in because progress is visible and accountability is explicit. The approach generates evidence that improves the next decision cycle.

Risks

• Weak data quality can obscure changes in HHI concentration, price-cost margin, and entry rate, making it hard to validate the decision.
• Execution drag may delay learning and leave the organization exposed to allowing consolidation that reduces contestability longer than planned.

Next

Next: Confirm ownership, finalize the baseline for HHI concentration, price-cost margin, and entry rate, and document market share data, cost structures, and regulatory barriers in a shared log. Schedule the first review, define stop conditions, and communicate the plan to affected teams. Capture lessons learned so the framework improves with each cycle.