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- What explains the much wider distribution of Eastern Sigillata A (ESA) tableware over a period of centuries? Can this pattern emerge as a result of historical contingency (a lock-in effect caused by it being available before other products)? Is preference for this product necessary to explain it?
- What explains the decline of ESA? Its competition with Italian Sigillata (ITS) and other eastern products?
- What is the impact of the introduction of ITS on the distribution of eastern tablewares? Can direct competition alone explain the changes in distribution? Is preference for a new product a necessary factor?
- Does the earlier integration into the Roman empire explain the higher proportions of ITS in Achaia-Cyrenaica? Or does the ITS distribution show a simple fall-off in presence with distance from central Italy (as the crow flies and over transport routes)?
- A collaboration between Dr. Tom Brughmans, Dr. Iza Romanowska and Simon Carrignon (Barcelona Supercomputing Centre)