Scandinavian Working Papers in Economics

Göteborg Papers in Economic History,
University of Gothenburg, Unit for Economic History

No 42: Testing the reliability of prices from the British West Indies Blue Books

Dimitrios Theodoridis () and Klas Rönnbäck ()
Additional contact information
Dimitrios Theodoridis: Stockholm University, Department of Economic History and International Relations
Klas Rönnbäck: Unit for Economic History, School of Business, Economics and Law, Göteborg University, Postal: Box 720, SE 40530 Göteborg, Sweden

Abstract: The British colonial Blue Books are a commonly used statistical source for historical research. There is, however, surprisingly little research on the reliability of the statistical information reported in them. We here focus upon the reliability of commodity price data reported in this source. There is some recent research (see Westland, 2022) on the reliability of market retail prices found in the African colonial Blue Books, showing that reliability may potentially be an issue with these sources. The current paper extends the research frontier by investigating the reliability of commodity prices found in the Blue Books from other British colonies, specifically the ones in the British West Indies. We compare Blue Book prices with commodity price information collected from various Caribbean newspapers. In contrast to Westland’s findings on African Blue Books, we find the British West Indies Blue Books to report reliable representations of commodity market prices across commodities and colonies in the region in general. We therefore deem the price information reported in these Blue Books as an invaluable resource for many future research endeavors.

Keywords: Blue Books; British West Indies; data reliability; commodity prices

JEL-codes: B10; B26

Language: English

29 pages, November 12, 2025

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