Abstract: The commercialization of authorship in academic publishing has emerged as one of the most pressing threats to the integrity of the global scholarly record. This analysis critically examines the phenomenon of sold authorship, paper mills, and associated misconduct, drawing on documented evidence from peer-reviewed literature, investigative reports, and institutional data covering approximately the past two decades. Three interconnected problems are analyzed (1) the structural drivers of authorship commercialization, principally the publish-or-perish culture and performance-based evaluation systems, (2) the operational mechanics of paper mills, including their organizational sophistication, pricing structures, and the growing use of artificial intelligence to scale fraudulent output, and (3) the spectrum of authorship abuses, ranging from honorary and gift authorship to fully fabricated co-authorship networks. The analysis further examines the inadequacy of current detection and enforcement mechanisms, including peer review failures, bibliometric red flags, and emerging AI-based screening tools. Institutional and regulatory responses including the International Committee of Medical Journal Editors (ICMJE) four-criterion framework, the Contributor Roles Taxonomy (CRediT), and Committee on Publication Ethics (COPE) guidelines are assessed for effectiveness and gaps. The paper concludes with evidence-based recommendations addressing incentive reform, bibliometric auditing, publisher collaboration, and the development of standardized authorship integrity indices. The scale of the crisis is underscored by the retraction of over 11,300 papers from a single publisher portfolio, representing an estimated $35-40 million in lost revenue and constituting the largest mass retraction event in the history of academic publishing.