The public sector interest cost – revisited

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A month ago I suggested that the Office for National Statistics might be overstating the cost of interest in its monthly reports on the UK government's finances. Much discussion ensued, and I suggested that I was writing to the ONS for clarification on their accounting. I duly did so.

In fairness to the ONS, they have supplied me with a reply to the submission that I made to them, and have welcomed my suggestion that it might be appropriate to summarise the cost of government debt within their publications in a manner that might be consistent with my proposal, which was (dates are for example):

The intention of this suggestion was straightforward. It was to differentiate that part of the cost which is actually going to be settled in cash in a manner that is highly probable and to then identify that part of the cost which relates to the estimated cost of redemption of index-linked gilts, which might best be described as a pretty wild estimate during a period when the retail price increase is increasing aberrationally, which happens to be the case at present.

I have been advised by the ONS that this reconciliation is, in principle, possible using the data at present. However, so far, and try as I might, I have been unable to locate some of the necessary tables to check that this is the case, such is the near impossibility of finding almost any data on the ONS website.

In the meantime, another month has passed and this is the claimed cost of expenditure on interest this month:

The ONS explain this as follows:

So, at least £3.4 billion of the £6.1 billion charge is made up and assumes that the current rate of inflation p[ersists to the time of redemption of all the index-linked gilts in issue.

Some might think that possible. I consider it to be utterly implausible.

Candidly, what we are looking at are some pretty big reveals of charges sometime soon in this case when RPI drops, as most, for very good reason, think it will.

What to conclude from this? Four things. The accounting should be improved. I think the ONS get that. Second, the ONS website really does need to be improved so that data can be found. Third, this method of estimation is too crude to be useful. Fourth, the claims that costs must be curtailed for this reason make no sense.

There will be more to come on this issue.


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