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The validity of the weak form of the efficient markets hypothesis (EMH) is tested for the FTSE 30 share index during a period when government economic policy towards the financial markets was relatively unchanging. The EMH would suggest random walk behaviour but this does not occur; instead the data series has significant heteroscedasticity. The series is successfully explained by a GARCH M(1, 1) model. We use the BDS test to show that the residuals from this model are IID.
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Stored only when both papers are in the corpus — 50 citations exist upstream.
Papers that cite the same references — the relational fallback while embeddings are still backfilling.
Imported from OpenAlex (CC0) — nothing here is generated.