<![CDATA[This study examines whether earnings per share (EPS) and book value per share (BVPS) explain share prices of Indonesian basic and chemical firms, and whether firm size strengthens the value relevance of earnings. Drawing on the Ohlson valuation model and signalling theory, it analyses a balanced panel of 30 firms listed on the Indonesia Stock Exchange over 2021-2024 (120 firm-years). Chow, Hausman and Lagrange Multiplier tests select the fixed-effects model, which is estimated with firm-clustered standard errors and checked with a wild cluster bootstrap and four robustness tests. EPS is positively and robustly associated with share prices (β = 6.09, p = .003) and remains significant in log and scale-deflated models. BVPS is not positively related to prices within firms. Firm size appears to strengthen the price-earnings relation in the levels model (β = 2.08, p = .006), but the effect does not survive the wild bootstrap (p = .206), reverses in the log-price model and disappears after correcting for scale. Investors in this industry price earnings rather than book value, and apparent size moderation in price-level regressions largely reflects scale.]]>
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