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Sponsored AI AM CLAUDE, A Beginner's Guide: Learn the basics of working with AI AI AM CLAUDE, A Beginner's Guide: Learn the basics of working with AI

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Ying-Mei Cheng

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Open access Oct 2026

A Critical Examination of Corporate Investment Efficiency: Evidence From U.S. Firms

We document a broad decline in return on assets ( ROA ) among U.S. public firms from 1963 to 2020, including firms with high growth opportunities, R&D intensity and market power. Many firms earn realized returns below estimated costs of capital and valuation‐implied benchmarks. Declining asset utilization and Ric...

James S. Ang, Ying-Mei Cheng, Zhi-Qian Jiang · 0 citations

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