Probabilistic Shift-Share Analysis of World Industrial Patterns, 1995-2019

Hubert Escaith

MPRA Paper from University Library of Munich, Germany

Abstract: This paper revisits Shift-Share and Constant Market Share Analysis by introducing a maximum entropy prior to replace ad hoc weighting schemes, assuming a uniform distribution of sectors. The resulting decomposition is additive and exact over discrete time periods, eliminating the need for a residual term. Both composition and competitiveness effects are derived from deviations relative to neutral expected growth. Applying the method to global manufacturing data (1995–2019) for 76 countries at current and constant prices, the analysis distinguishes developed and developing countries trajectories. Ad-justments for home bias and demand structure deepen the insight. Compared with traditional approaches, this probabilistic SSA confirms competitiveness as the main driver of industrial growth, with methodological implications for structural analysis and policy.

Keywords: industrialisation; global manufacturing; structural decomposition; shift-share analysis; constant market share analysis (search for similar items in EconPapers)
JEL-codes: C18 F14 L60 N60 O47 (search for similar items in EconPapers)
Date: 2025-06-05
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