Practice prompt · Q:economics-and-market-foundations/test-entry-barriers-001

Test entry beyond technical possibility

Applies timely, likely, and sufficient discipline to a proposed entrant with legal, network, switching, scale, and recoverability conditions.

Updated Aug 7, 2026 Review due Nov 7, 2026

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A proposed network entrant has announced service but still needs authorization, interconnection, customer migration, and viable scale. Which test is strongest?

Choose the best answer. a Trace authorization, irrecoverable commitment, network access, switching, viable scale, lead time, expected incumbent response, and recovery; then test whether entry is timely, likely, and sufficient. b Any entrant announcement eliminates entry barriers immediately. c Every capitalized asset balance is an entry barrier because accounting calls it an asset.

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Answer: a

Choice a. Entry must be evidenced through milestones and tested for timing, likelihood, and sufficient scale.