Mean and modal Bank Rate expectations

Will Dison and David Elliott.

Financial market prices provide information about market participants’ Bank Rate expectations. But central expectations can be measured in different ways. Mean expectations, derived from forward interest rates, represent the average of the range of possible outcomes, weighted by their perceived probabilities. On the other hand, modal expectations, which can be estimated from interest rate options, represent the perceived single most likely outcome. Currently, these market-implied mean and modal expectations for the path of Bank Rate over the coming few years differ starkly, with the mode lying well below the mean. In this post we argue that this divergence primarily reflects the proximity of the effective lower bound to nominal interest rates.

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