Technical Appendix for paper "How Do Speaker Characteristics Influence Use of Rhetorical History? Insights from Text Mining Analysis of Discourse About Brexit"

This is the Technical Appendix for a paper that was accepted for publication by the journal Management and Organization History in November 2025. The title of the paper is "How Do Speaker Characteristics Influence Use of Rhetorical History? Insights from Text Mining Analysis of Discourse About Brexit". The University of Birmingham co-author is Dr Andrew D. Smith (Birmingham Business School). The Technical Appendix was prepared by Anselm Kuesters, an expert in Strutural Topic Modelling, the variant of text-mining we used to test our hypotheses. For the benefit of researchers familiar with text-mining methods, a detailed discussion of the data preparation, metadata coding, and econometric procedures used in our research is contained in the online Technical Appendix. Tables showing the results of our regression analysis are also to be found in our Technical Appendix.