Turnaround in the economy
According to the DNB business cycle indicator, the low point of the economic cycle has been reached, after which economic growth will pick up gradually and at a moderate pace this year.
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For years, inflation in the euro area hovered around 1.5%, below the European Central Bank's (ECB) target of around 2%, despite historically low interest rates. But then it suddenly shot up in summer 2021, peaking at 10.6% in October 2022. How could inflation go up so fast?
We could all tell from our energy bills and at the petrol station: the most important and most visible cause of inflation were the high prices of energy, notably gas. First thought to be a temporary phenomenon, high inflation is now proving more persistent. But high gas prices are only part of the story. High inflation was caused, on the one hand, by a surge in demand for goods and services as pandemic-related measures were relaxed. On the other hand, driving factors were lagging supply of energy as well as other products, again as a result of the pandemic but especially due to the Russian war in Ukraine. The degree to which these factors contributed to inflation varied over time.
For policymakers and central banks, it is crucial to have a good understanding of the causes of rapidly rising inflation, so they can effectively fight high inflation. This is why we have explored these in a technical analysis.
In our analysis, we distinguish three stages in the emergence of high inflation. The first phase covers the COVID-19 pandemic and associated lockdowns in the first half of 2020. The second phase consists of the partial reopening of the economy in the second half of 2020, through to late summer 2021. Phase three covers the full reopening of the euro area economy from the end of 2021 and Russia's subsequent war in Ukraine.
Left: trend in core inflation (excluding energy and food) in the euro area. Right: trend in real GDP in the euro area.
© DNB
The onset of the COVID-19 pandemic and the lockdowns depressed supply of and demand for goods and services (phase 1). Figure 1 shows that this led to a sharp fall in gross domestic product and lower inflation. In phase 2, demand recovered on the back of the partial reopening of the economy and government support for businesses. At the same time, supply lagged behind due to various factors, including shipping containers being in the wrong places and semiconductors and labour being in short supply. The combination of improving demand and lagging supply caused GDP to rebound to near-pre-pandemic levels, but with higher inflation.
In the third phase, a combination of disruptions in the supply of goods and services and further increases in demand caused prices to go up even further. Supply in the European economy in particular suffered from a sharp rise in energy prices, especially gas prices. This rise already started in autumn 2021, ahead of the Russian invasion of Ukraine, and intensified after the invasion of 24 February 2022. Producers passed on higher production costs to their customers to maintain their profit margins. In addition, more and more people started working more hours and saving less, leading to strong growth in consumption. The tight labour market hampered the expansion of supply, while prices continued to rise.
Using an econometric model, we can more accurately distinguish the impacts which supply and demand have on inflation. In the economy, a demand shock means that consumers and businesses want to buy more or less, while a supply shock means that producers want to supply more or less. Positive demand shocks differ from positive supply shocks in that they lead to more output with higher inflation, while positive supply shocks lead to more output with lower inflation. Because energy prices play an important role, we also identify a separate energy supply shock.
Figure 2 shows the model's estimated contribution of demand, supply and energy shocks to harmonised inflation (including energy and food). In the first stage, we see a combination of negative demand shocks depressing inflation and negative supply shocks pushing up inflation. On balance, demand shocks dominate, and inflation falls. As the economy reopens in the second phase, supply partially recovers (creating lower inflationary pressures) and demand rises sharply. At the end of this phase, higher energy prices due to limited energy supply also contribute to higher inflation. In the third phase, energy prices rise further due to energy supply constraints, while general supply constraints and strong demand also contribute to higher inflation.
© DNB
The model analysis shows that high inflation is not solely due to higher energy prices and supply constraints. High inflation in the euro area began with demand picking up due to the reopening of the economy, combined with lagging supply in 2021. Then, from summer 2021, rising commodity prices and the war in Ukraine exacerbated supply problems, and businesses passed on their higher costs to consumers. Our analysis shows that this was possible because demand picked up strongly throughout the post-pandemic reopening period.
Ultimately, high inflation is a matter of supply and demand. The increased role of demand factors behind high inflation increases the need to slow these down through monetary policy. In response to these developments, the ECB has accelerated the unwinding of its unconventional policy, raising policy rates in unprecedentedly large steps. The ECB will also continue to raise rates for the foreseeable future, until they reach a level high enough to bring inflation back to target.
According to the DNB business cycle indicator, the low point of the economic cycle has been reached, after which economic growth will pick up gradually and at a moderate pace this year.
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