"'Big data' is now readily available to economic historians, thanks to the digitisation of primary sources, collaborative research linking different data sets, and the publication of databases on the internet. Key economic indicators, such as the consumer price index, can be tracked over long...

1. Introduction : research methods for large databases / Mark Casson and Nigar Hashimzade -- 2. Long-run price dynamics : the measurement of substitutability between commodities / Mark Casson, Nigar Hashimzade and Catherine Casson -- 3. The quantity theory of money in historical perspective /...