Math 2.0

Statistics Inference for stochastic processes and time series Concept

Cointegration

Summary

Several non-stationary time series are cointegrated when some linear combination of them is stationary. The series then wander, but they wander together, held by a long-run equilibrium relation. Clive Granger introduced the idea, and Robert Engle and Granger developed its theory and tests in a 1987 paper. Cointegration is central in the econometrics of prices, interest rates and other economic series.

Further reading

  1. Web https://en.wikipedia.org/wiki/Cointegration
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