股指期货与股指现货的协整与因果关系研究
Co-integration and causality relationship research of stock index futures and stock index spot
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摘要: :运用协整理论对我国刚刚上市的股指期货与股指现货进行研究,探索两者之间的内在关系.结果表明,股指期货与股指现货存在协整关系;通过Granger因果检验发现,股指期货与股指现货存在单边因果关系;通过协整模型和修正误差模型确证了股指期货与股指现货的长期均衡和短期波动关系.Abstract: The intrinsic co-integration relationship between the China stock index futures and stock index spot which barely come into market based on co-integration theory was studied.The results showed that the unilateral causality relationship between stock index futures and stock index is also found by Engle-Granger causality test.The relationship of long-term equilibrium and short-term fluctuation of stock index futures and stock index spot was confirmed by co-integration model and error correction model.
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Key words:
- stock index future /
- stock index spot /
- co-integration /
- error correction model
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