Forecasting UK inflation in the presence of large global shocks

Dario Bonciani and Johannes Fischer

The UK economy has been hit by significant terms-of-trade shocks, most notably the rise in energy prices following the Russian invasion of Ukraine. These shocks have created substantial and persistent inflationary pressure in many countries. Such upheavals bring increased uncertainty about the future, making macroeconomic forecasting more challenging. In this post, we assess the forecasting performance of a state of the art empirical model, of the type commonly employed in academic research and policy institutions. This model is not used to produce the Monetary Policy Committee’s (MPC’s) forecast but has been used periodically within the Bank of England including as a cross-check to the main forecast. Specifically, we assess its performance in predicting UK inflation out of-sample at key dates around the start of the war in Ukraine. The model performs well in forecasting short-term inflation, but it struggles to fully capture inflation persistence over the longer term.

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CPI-weighted wage growth

Josh Martin

The Monetary Policy Committee has recently looked at wage growth as an important indicator of inflation persistence. One way that wages matter for price inflation is as a cost for businesses, who may raise their prices in response to higher wages. For this channel, the wage measure needs to reflect the coverage and composition of the Consumer Prices Index (CPI). However, most wage measures do not. This blog explores a wage growth measure which is re-weighted to better match the CPI.

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Beyond the average: patterns in UK price data at the micro level

Lennart Brandt, Natalie Burr and Krisztian Gado

The Bank of England has a 2% annual inflation rate target in the ONS’ consumer prices index. But looking at its 700 item categories, we find that very few prices ever change by 2%. In fact, on a month-on-month basis, only about one fifth of prices change at all. Instead, we observe what economists call ‘sticky prices’: the price of an item will remain fixed for an extended amount of time and then adjust in one large step. We document the time-varying nature of stickiness by looking at the share of price changes and their distribution in the UK microdata. We find a visible discontinuity in price-setting in the first quarter of 2022, which has only partially unwound.

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Is UK monetary policy driving private housing rents?

Daniel Albuquerque and Jamie Lenney

Rent prices have risen by 9% on average in England since the Bank of England’s Monetary Policy Committee (MPC) started raising interest rates in December 2021. Alongside this rise in prices has been a widening in the gap between reported supply and demand in the rental sector, with tenant demand continuing to rise in 2023 amidst falling supply (RICS survey). Is monetary policy causing the rise in rents? In this post, we provide evidence that temporary increases in interest rates are ultimately associated with a decrease in rental prices that follows an initial, but relatively short lived, increase in rental prices and tenant demand. These results also hold across regions in England.

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Global R*

Ambrogio Cesa-Bianchi, Richard Harrison and Rana Sajedi

Recent increases in interest rates around the world, following a multi-decade decline, have intensified the debate on their long-run prospects. Are previous trends reversing or will rates revert to low values as current shocks subside? Answering this question requires assessing the underlying forces driving secular interest-rate trends. In a recent paper, we study the long-run drivers of the global trend interest rate – ‘Global R*’ – in the 70 years up to the pandemic. Global R* fell by more than three percentage points from its peak in the mid-1970s, driven by falling productivity growth and increased longevity. Our results suggest that without a reversal in these trends, or new forces emerging to offset them, long-run Global R* is likely to remain low.

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Why lower house prices could lead to higher mortgage rates

Fergus Cumming and Danny Walker

Bank Rate has risen by more than 5 percentage points in the UK over the past couple of years. This has led to much higher mortgage rates for many people. In this post we analyse another potential source of pressure on mortgagors: the potential for falls in house prices to push borrowers into higher – and therefore more expensive – loan to value (LTV) bands. In a scenario where house prices fall by 10% and high LTV spreads rise by 100 basis points, we estimate that an additional 350,000 mortgagors could be pushed above an LTV of 75%, which could increase their annual repayments by an extra £2,000 on average. This could have a material impact on the economy.

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Profits in a time of inflation: what do company accounts say in the UK and euro area?

Gabija Zemaityte and Danny Walker

Inflation has been high in many countries since 2021. Some have said that companies have increased their profits over that period: so-called ‘greedflation’. We use published company accounts for thousands of large listed companies to look for signs of increased profits in the data. Consistent with previous analysis of aggregate incomes, price indices and business surveys, we find no evidence of a rise in overall profits in the UK – prices have gone up alongside wages, salaries and other input costs. Companies in the euro area are in a similar position. However, companies in the oil, gas and mining sectors have bucked the trend, and there is lots of variation within sectors too – some companies have been much more profitable than others.

Recent analysis by Sophie Piton, Ivan Yotzov and Ed Manuel has shown that corporate profits have been relatively stable in the UK and that profits are unlikely to have been a big contributor to inflation. Others have suggested that the trend in the euro area has been somewhat different. In this post we use a novel data source to look at this question: the information companies have reported in their accounts.

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Unifying monetary and macroprudential policy

Julia Giese, Michael McLeay, David Aikman and Sujit Kapadia

Central banks have been using a range of monetary policy and macroprudential tools to maintain monetary and financial stability. But when should monetary versus macroprudential tools be used and how should they be combined? Our recent paper develops a macroeconomic model to answer these questions. We find that two instruments are better than one. Used alone, interest rates can control inflation, but are ineffective for financial stability. Policymakers can do better by also deploying the countercyclical capital buffer, a tool that varies the amount of additional capital banks must set aside. The appropriate combination of tools can vary: both should tighten to counter a joint expansion of credit and activity, but move in opposite directions during an exuberance-driven credit boom.

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Has the import price shock been worse in the UK or euro area?

Josh Martin and Julian Reynolds

How much have higher import prices increased consumer prices in the UK and euro area? This post explores this question using a framework grounded in some fundamental economic and national accounting concepts. Starting with the GDP price, we adjust for relative import and export prices to arrive at a consumer prices measure – this gives us a sense of the impact of import prices and the terms of trade shock on consumer price inflation. For the euro area, aggregating imports across member countries, which includes trade between members, risks overstating total imports and thus the effect on inflation. Using supplementary data to resolve this issue, we find that the euro area terms of trade shock has been larger than the UK’s.

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Forecasting near-term trends in the labour market

Harvey Daniell and Andre Moreira

The latest developments in the labour market are often central to monetary policy decisions. We outline a framework for mapping labour market indicators to near-term employment and pay growth, drawing on established insights from the ‘nowcasting’ literature. The key benefits of our approach are: the ability to map a range of ‘soft’ and ‘hard’ indicators of different frequencies to quarterly official data; the empirical determination of how much weight to place on each indicator; and the ability to shift those weights flexibly as more data become available. This framework beats simple benchmark models in our labour market application.

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