LOS ANGELES, Calif., Sept. 29, 2025 (SEND2PRESS NEWSWIRE) — A groundbreaking new study from The Evolution of Publishing Institute reveals that published authorship creates a dramatic “Author Authority Premium” in professional services, with published authors commanding overwhelmingly higher preference rates, premium fees, and enhanced credibility compared to non-author counterparts with identical qualifications.

The comprehensive survey of 100 Los Angeles residents examined hiring preferences across three key professional service categories, uncovering striking advantages for professionals who have written books.

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