Tag: inflationary expectations


Inflation has been rising around the world. The main reason has been the supply shock of rising oil, fertiliser and commodity prices caused by the Iran war and the disruption to global supply chains from conflicts in the Middle East and Russia (see the blog, Why have diesel prices risen more than petrol prices?). Central banks, including the US Federal Reserve Bank, the European Central Bank and the Bank of Japan, have responded to this cost-push inflationary shock by raising interest rates. The Bank of England is likely to raise Bank rate at its next meeting on 5 November 2026.

Similar supply shocks have been experienced in recent years (see the May 2026 blog, Supply shocks – long-term gain from the short-term pain?).

Raising interest rates reduces aggregate demand, or at least its rate of growth. This puts downward pressure on prices, or at least on the rate of inflation. This can be illustrated in the diagram. (Click here for a PowerPoint.)

It shows a country’s initial short-run aggregate supply curve (SRAS1) and initial aggregate demand curve (AD1). The price index is P1 and real GDP is Y1.

The higher costs shift the SRAS curve upwards to the left, say to SRAS2. The price index rises to P2 and real GDP falls to Y2. If, in response to the higher prices, the central bank raises the interest rate, this shifts the aggregate demand curve to the left, say to AD2. As a result, the price index falls back to P1, but the fall in demand causes real GDP to fall further, to Y3.

Policy alternatives

So, is a rise in interest rates the appropriate response to higher costs that push inflation above, or further above, its target, which for most countries is 2%?

If the cause of inflation was excessive increases in aggregate demand from, say, large government budget deficits or a large increase in consumer demand, then a rise in interest rates would have helped reduce this unsustainable rise in demand. But if the cause of the inflation is a supply shock, is curbing aggregate demand the correct solution?

Ideally, the solution would be to tackle the cost increases directly. A rise in productivity, for example, would help to increase aggregate supply and counter the effect of rising commodity prices. But productivity increases take place over the longer term and are not a solution to a short-term supply shock. Better still, if the increase in commodity prices could be reversed, by finding a political solution that reopened the Strait of Hormuz and other choke points, then higher interest rates would not be needed.

Alternatively, some countries might be able to resort to price controls. These could be targeted at specific sectors such as energy, rent or construction. For example, the UK government has used energy price caps to limit household energy bills.

But even though this may control inflation in the short term, price controls create shortages because demand exceeds the reduced supply. This could lead to higher prices in unofficial markets as people sought to avoid the price controls. It could also create considerable problems for firms planning their logistics when supplies may simply not be available.

Alternatively, subsidies could be used to support output or prices in similar areas. Or they could be targeted at low-income households. These, however, could be costly for governments and may distort markets.

If price controls and subsidies are rejected, and in the absence of short-term increases in aggregate supply, the only solution to inflation is curbing aggregate demand to match the reduced aggregate supply. This could be achieved through fiscal policy by raising taxes or reducing government expenditure, but would prove unpopular and would probably be rejected by governments. Generally, they would prefer to pass the burden to central banks through the use of monetary policy.

The blunt instrument of monetary policy

But, raising interest rates is, indeed, a blunt instrument. Tighter monetary policy cannot increase the global supply of fuel, fix broken supply chains or lower insurance and construction costs. In other words, it cannot directly fix supply shocks, only limit their effect on prices.

Also, by making borrowing more expensive, higher interest rates may suppress business investment and house building. This adverse supply-side effect may worsen inflation over the longer term.

The hope is that such effects will be avoided by suppressing inflation and helping thereby to maintain business confidence. It is a delicate balancing act for central bankers, who want to constrain inflation but do not want to plunge their economies into recession and damage longer-term increases in potential real GDP.

Most of all, the hope is that by suppressing nominal demand, second-round effects will be avoided. These are where higher prices encourage workers to demand higher wages to compensate for higher prices and businesses to raise prices to cover those wage increases, knowing that they can pass these price increases on to consumers as their competitors are doing the same. This risks creating a damaging wage-price spiral and embedding inflation. By raising interest rates and signalling that they will bring inflation back down to the target rate, central banks hope to anchor long-term inflation expectations. They hope that this will ensure that temporary price shocks do not become permanently embedded in the economy.

Distributional consequences

However, the burden of higher interest rates will not be shouldered equally. They predominantly penalise a minority of the population, especially younger households with consumer debt and/or large variable-rate mortgages relative to their income or fixed rate mortgages coming the end of their term and requiring renewing. They also penalise businesses which rely on short-term debt.

Meanwhile, people who own their homes outright or wealthy savers may be largely unaffected or even benefit from higher yields on their savings deposits. Similarly, firms with low debt may hardly be affected.

Consequences for servicing public debt

Higher interest rates increase governments’ debt-servicing costs. More has to be paid on new borrowing, either to finance budget deficits or to replace government bonds and bills that are maturing. This consumes a larger share of public spending and limits the fiscal room to support vulnerable households suffering from the price and interest increases.

We examined such costs in the US context in the blog US national debt reaches $40 trillion: but does it matter?.

Fingers crossed!

By being cautious about raising interest rates, central banks hope that geopolitical developments will be favourable and that the supply constraints will diminish. For example, the hope is that there will be a settlement between the USA and Iran that allows oil to flow once more through the Strait of Hormuz. That is why, despite inflation being well above target, central banks have been raising interest rates by just a quarter of a percentage point.

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  1. What policies have central banks pursued during the Iran war?
  2. Paint an optimistic scenario for the global economy five years hence.
  3. Paint a pessimistic scenario for the global economy five years hence.
  4. Compare the reasons given by the Federal Reserve and ECB for raising interest rates with those given by the Bank of England for not raising them.
  5. Donald Trump argues for cutting interest rates as a stimulus to the US economy. Provide a critique of this policy.

We have examined inflation in several blogs in recent months. With inflation at levels not seen for 40 years, this is hardly surprising. One question we’ve examined is whether the policy response has been correct. For example, in July, we asked whether the Bank of England had raised interest rates too much, too late. In judging policy, one useful distinction is between demand-pull inflation and cost-push inflation. Do they require the same policy response? Is raising interest rates to get inflation down to the target rate equally applicable to inflation caused by excessive demand and inflation caused by rising costs, where those rising costs are not caused by rising demand?

In terms of aggregate demand and supply, demand-pull inflation is shown by continuing rightward shifts in aggregate demand (AD); cost-push inflation is shown by continuing leftward/upward shifts in short-run aggregate supply (SRAS). This is illustrated in the following diagram, which shows a single shift in aggregate demand or short-run aggregate supply. For inflation to continue, rather than being a single rise in prices, the curves must continue to shift.

As you can see, the effects on real GDP (Y) are quite different. A rise in aggregate demand will tend to increase GDP (as long as capacity constraints allow). A rise in costs, and hence an upward shift in short-run aggregate supply, will lead to a fall in GDP as firms cut output in the face of rising costs and as consumers consume less as the cost of living rises.

The inflation experienced by the UK and other countries in recent months has been largely of the cost-push variety. Causes include: supply-chain bottlenecks as economies opened up after COVID-19; the war in Ukraine and its effects on oil and gas supplies and various grains; and avian flu and poor harvests from droughts and floods associated with global warming resulting in a fall in food supplies. These all led to a rise in prices. In the UK’s case, this was compounded by Brexit, which added to firms’ administrative costs and, according to the Bank of England, was estimated to cause a long-term fall in productivity of around 3 to 4 per cent.

The rise in costs had the effect of shifting short-run aggregate supply upwards to the left. As well as leading to a rise in prices and a cost-of-living squeeze, the rising costs dampened expenditure.

This was compounded by a tightening of fiscal policy as governments attempted to tackle public-sector deficits and debt, which had soared with the support measures during the pandemic. It was also compounded by rising interest rates as central banks attempted to bring inflation back to target.

Monetary policy response

Central banks are generally charged with keeping inflation in the medium term at a target rate set by the government or the central bank itself. For most developed countries, this is 2% (see table in the blog, Should central bank targets be changed?). So is raising interest rates the correct policy response to cost-push inflation?

One argument is that monetary policy is inappropriate in the face of supply shocks. The supply shocks themselves have the effect of dampening demand. Raising interest rates will compound this effect, resulting in lower growth or even a recession. If the supply shocks are temporary, such as supply-chain disruptions caused by lockdowns during the pandemic, then it might be better to ride out the problem and not raise interest rates or raise them by only a small amount. Already cost pressures are easing in some areas as supplies have risen.

If, however, the fall in aggregate supply is more persistent, such as from climate-related declines in harvests or the Ukraine war dragging on, or new disruptions to supply associated with the Israel–Gaza war, or, in the UK’s case, with Brexit, then real aggregate demand may need to be reduced in order to match the lower aggregate supply. Or, at the very least, the growth in aggregate demand may need to be slowed to match the slower growth in aggregate supply.

Huw Pill, the Chief Economist at the Bank of England, in a podcast from the Columbia Law School (see links below), argued that people should recognise that the rise in costs has made them poorer. If they respond to the rising costs by seeking higher wages, or in the case of businesses, by putting up prices, this will simply stoke inflation. In these circumstances, raising interest rates to cool aggregate demand may reduce people’s ability to gain higher wages or put up prices.

Another argument for raising interest rates in the face of cost-push inflation is when those cost increases are felt more than in other countries. The USA has suffered less from cost pressures than the UK. On the other hand, its growth rate is higher, suggesting that its inflation, albeit lower than in the UK, is more of the demand-pull variety. Despite its inflation rate being lower than in the UK, the problem of excess demand has led the Fed to adopt an aggressive interest rate policy. Its target rate is 5.25% to 5.50%, while the Bank of England’s is 5.25%. In order to prevent short-term capital outflows and a resulting depreciation in the pound, further stoking inflation, the Bank of England has been under pressure to mirror interest rate rises in the USA, the eurozone and elsewhere.

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Questions

  1. How may monetary policy affect inflationary expectations?
  2. If cost-push inflation makes people generally poorer, what role does the government have in making the distribution of a cut in real income a fair one?
  3. In the context of cost-push inflation, how might the authorities prevent a wage–price spiral?
  4. With reference to the second article above, explain the ‘monetary policy conundrum’ faced by the Bank of Japan.
  5. If central banks have a single policy instrument, namely changes in interest rates, how may conflicts arise when there is more than one macroeconomic objective?
  6. Is Russia’s rise in inflation the result of cost or demand pressures, or a mixture of the two (see articles above)?

Central bankers, policymakers, academics and economists met at the Economic Symposium at Jackson Hole, Wyoming from August 24–26. This annual conference, hosted by Kansas City Fed, gives them a chance to discuss current economic issues and the best policy responses. The theme this year was ‘Structural Shifts in the Global Economy’ and one of the issues discussed was whether, in the light of such shifts, central banks’ 2 per cent inflation targets are still appropriate.

Inflation has been slowing in most countries, but is still above the 2 peer cent target. In the USA, CPI inflation came down from a peak of 9.1% in June 2022 to 3.2% in July 2023. Core inflation, however, which excludes food and energy was 4.7%. At the symposium, in his keynote address the Fed Chair, Jay Powell, warned that despite 11 rises in interest rates since April 2022 (from 0%–0.25% to 5%–5.25%) having helped to bring inflation down, inflation was still too high and that further rises in interest rates could not be ruled out.

We are prepared to raise rates further if appropriate, and intend to hold policy at a restrictive level until we are confident that inflation is moving sustainably down toward our objective.

However, he did recognise the need to move cautiously in terms of any further rises in interest rates as “Doing too much could also do unnecessary harm to the economy.” But, despite the rises in interest rates, growth has remained strong in the USA. The annual growth rate in real GDP was 2.4% in the second quarter of 2023. Unemployment, at 3.5%, is low by historical standards and similar to the rate before the Fed began raising interest rates.

Raising the target rate of inflation?

Some economists and politicians have advocated raising the target rate of inflation from 2 per cent to, perhaps, 3 per cent. Jason Furman, an economic policy professor at Harvard and formerly chief economic advisor to President Barack Obama, argues that a higher target has the benefit of helping cushion the economy against severe recessions, especially important when such there have been adverse supply shocks, such as the supply-chain issues following the COVID lockdowns and then the war in Ukraine. A higher inflation rate may encourage more borrowing for investment as the real capital sum will be eroded more quickly. Some countries do indeed have higher inflation targets, as the table shows.

Powell emphatically ruled out any adjustment to the target rate. His views were expanded upon by Christine Lagarde, the head of the European Central Bank. She argued that in a world of greater supply shocks (such as from climate change), greater frictions in markets and greater inelasticity in supply, and hence greater price fluctuations, it is important for wage increases not to chase price increases. Increasing the target rate of inflation would anchor inflationary expectations at a higher level and hence would be self-defeating. Inflation in the eurozone, as in the USA, is falling – it halved from a peak of 10.6% in 2022 to 5.3% in July this year. Given this and worries about recession, the ECB may not raise interest rates at its September meeting. However, Lagarde argued that interest rates needed to remain high enough to bring inflation back to target.

The UK position

The Bank of England, too, is committed to a 2 per cent inflation target, even though the inflationary problems for the UK economy are greater that for many other countries. Greater shortfalls in wage growth have been more concentrated amongst lower-paid workers and especially in the public health, safety and transport sectors. Making up these shortfalls will slow the rate of inflationary decline; resisting doing so could lead to protracted industrial action with adverse effects on aggregate supply.

Then there is Brexit, which has added costs and bureaucratic procedures to many businesses. As Adam Posen (former member of the MPC) points out in the article linked below:

Even if this government continues to move towards more pragmatic relations with the EU, divergences in standards and regulation will increase costs and decrease availability of various imports, as will the end of various temporary exemptions. The base run rate of inflation will remain higher for some time as a result.

Then there is a persistent problem of low investment and productivity growth in the UK. This restriction on the supply side will make it difficult to bring inflation down, especially if workers attempt to achieve pay increases that match cost-of-living increases.

Sticking to the status quo

There seems little appetite among central bankers to adjust inflation targets. Squeezing inflation out of their respective economies is painful when inflation originates largely on the supply side and hence the problem is how to reduce demand and real incomes below what they would otherwise have been.

Raising inflation targets, they argue, would not address this fundamental problem and would probably simply anchor inflationary expectations at the higher level, leaving real incomes unchanged. Only if such policies led to a rise in investment would a higher target be justified and central bankers do not believe that it would.

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Questions

  1. Use an aggregate demand and supply diagram (AD/AS or DAD/DAS) to illustrate inflation since the opening up of economies after the COVID lockdowns. Use another one to illustrate the the effects of central banks raising interest rates?
  2. Why is the world likely to continue experiencing bigger supply shocks and greater price volatility than before the pandemic?
  3. With hindsight, was increasing narrow money after the financial crisis and then during the pandemic excessive? Would it have been better to have used the extra money to fund government spending on infrastructure rather than purchasing assets such as bonds in the secondary market?
  4. What are the arguments for and against increasing the target rate of inflation?
  5. How do inflationary expectations influence the actual rate of inflation?
  6. Consider the arguments for and against the government matching pay increases for public-sector workers to the cost of living.


Aggregate demand has been booming as the world bounces back from the pandemic. At the same time, aggregate supply is severely constrained. These supply constraints are making potential national income smaller – at least temporarily. The result is that many countries are heading for recession.

At the same time, supply constraints are causing prices to rise, especially energy and food prices. This cost-push inflation is made worse by the rises in aggregate demand.

The result is ‘stagflation’ – a recession, or stagnation, accompanied by high inflation. In the UK, the latest Bank of England Monetary Policy Report forecast that by the end of 2022, CPI inflation would be 13.1% and that in 2023, real GDP would fall by 1.5%.

This effect of an adverse supply shock accompanied by relatively buoyant aggregate demand (at least initially) can be illustrated with an aggregate demand and supply diagram. The supply shock is illustrated by an upward shift to the left of the short-run aggregate supply curve (SRAS). (If the shock is a direct rise in prices, then it can be seen as a vertical upward shift. If it is a fall in the total amount supplied, then it can be seen as a horizontal leftward shift.) In the diagram, aggregate supply shifts from SRAS1 to SRAS2. The price level rises from P1 to P2. If costs go on rising or supply goes on falling then the curve will go on shifting upwards to the left.

If the government responds by increasing benefits or reducing taxes, then, other things being
equal, aggregate demand will rise. In the diagram, the AD curve will shift to the right, e.g. from AD1 to AD2. Real GDP only falls to Y3 not Y2. However, the price level rises further: from P2 to P3.

Why has aggregate supply fallen?

There are several factors that have contributed to the fall in aggregate supply/rise in costs.

  • Stretched supply chains, which had been adversely affected by Covid. Congestion at container ports has led to delays, with warehouses and shops being short of stock.
  • Labour shortages, with many people not returning to the labour force after being laid off or furloughed, or only returning part time, leaving firms needing more people. The problem has been particularly acute in the UK, with many EU citizens having returned to the EU after Brexit and the UK having to rely increasingly on staff from outside the EU.
  • The war in Ukraine. This has had a major impact on the supply of natural gas and oil. The war has also led to a fall in grain and other food supplies from Ukraine, as ports have been blockaded and there have been disruptions to planting and harvesting.
  • Climate change is causing more severe weather events, such as droughts in Europe and western USA. The droughts of 2022 will compound the problem of food shortages and food price inflation.
  • In the UK, Brexit costs, such as increased administrative burdens and difficulties in both exporting and importing, have dampened production and hence adversely impacted on aggregate supply.
  • Increased industrial action. As the cost of living soars, unions are demanding pay increases to match the rise in the cost of living. Pay rises further increase firms’ costs – and the bigger the pay rises, the bigger the rise in costs.

The problem with a fall in aggregate supply is that it reduces real GDP. People as a whole are poorer. To use a common analogy, the national ‘pie’ has shrunk. Giving everyone a bigger knife and fork (i.e. a rise in nominal aggregate demand) will not make people better off. It just compounds the problem of rising prices, as the diagram shows.

In the short term, with GDP shrinking, there is a major issue of distribution. If the poor are to be given help so that they are not made even poorer, then other people will have been made worse off. In other words, their nominal incomes must rise more slowly than prices.

Monetary policy

Central banks generally have a mandate of keeping inflation close to 2% over the medium term. Their levers are changes in interest rates, underpinned by changes in the money supply – in extreme times by quantitative easing (creating money by buying assets with newly created money) or quantitative tightening (withdrawing money from the economy by selling assets). Central banks, faced by soaring inflation, have been raising interest rates. The Fed has recently raised the Federal Funds rate by 0.75 percentage points (75 basis points) and the Bank of England and the European Central Bank by 0.5 percentage points (50 basis points).

Raising interest rates reduces inflation by dampening aggregate demand. In the diagram, the AD curve shifts to the left (or shifts to the right less quickly). This will dampen inflation, as falling real demand will force firms to cut prices. But it will also force them to cut output and employment, thereby worsening the recession.

Central banks recognise this dilemma, but also recognise that if inflation is not brought rapidly under control, it could spiral upwards, with wages and prices chasing each other in a wage–price spiral, which only gets worse as inflationary expectations rise. The short-term pain of falling real income is a price worth paying for getting inflation under control.

Fiscal policy

In the short term, there is little that fiscal policy can do to raise real GDP. The focus, as it was during the pandemic, must therefore be in providing relief to those most in need.

In the UK, the energy price cap set by Ofgem will see likely energy bills for the typical household quadruple in just a year, from a little over £1000 per annum at January 2021 prices to over £4200 in predicted January 2023 prices. These higher prices partly reflect rising wholesale energy costs and partly the need for energy companies, in a process known as ‘backwardation’, to recoup hedging costs they have incurred so as not to be forced out of business.

Relief for consumers can be in various forms. For example, the government could pay subsidies to energy suppliers to cap prices at a lower level, perhaps just for the poorest households. Or it could pay grants to help people with their bills. Again, these could be targeted to the poorest families, or paid on a sliding scale according to income. Or VAT on gas and electricity could be scrapped.

Generally the more people are entitled to help, the more expensive it is for the government and hence the less generous the help per family is likely to be.

Then there is the question of whether such measures should be accompanied by a rise in broadly-based tax, such as income tax, or whether the government should borrow more, which would be likely to push up interest rates and increase the cost of servicing government debt.

One topic of debate in the Conservative leadership contest is whether taxes should be cut to help people struggling with the cost of living. Whilst such a policy, if carefully targeted to investment, might increase aggregate supply over the longer term, in the short term it will increase aggregate demand and will add to inflationary pressures.

Targeting tax cuts to the poor is difficult. Cutting income tax rates has the opposite effect. The rich pay more income tax than the poor and will benefit most from a cut in rates. An alternative is to raise personal allowances. This will provide a bigger percentage help to income taxpayers on lower incomes, but provides no help at all for the poorest people who currently pay no income tax.

Conclusion

The supply shocks are making countries poorer. The focus in the short term, therefore, needs to be on income distribution and how to help those suffering the most.

To end on a note of optimism: the energy shocks are causing governments to invest in alternative sources, such as wind, solar and nuclear. When these come on line, it is expected that energy prices will fall.

As far as overall inflation is concerned, although the Bank of England is forecasting CPI inflation of 13.1% by Q4 2022, it is also forecasting that this will have fallen to 5.5% by Q4 2023 and to just 0.8% by Q3 2024. Fingers crossed.

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  1. What are the most efficient policies for helping those in energy poverty?
  2. Why is inflation forecast to fall later in 2023?
  3. What determines the shape of the short-run aggregate supply curve?
  4. What government policies would support (a) labour productivity; (b) investment?
  5. How might the market solve the problem of supply shortages?

The suffering inflicted on the Ukrainian people by the Russian invasion is immense. But, at a much lower level, the war will also inflict costs on people in countries around the world. There will be significant costs to households in the form of even higher energy and food price inflation and a possible economic slowdown. The reactions of governments and central banks could put a further squeeze on living standards. Stock markets could fall further and investment could decline as firms lose confidence.

Russia is the world’s second largest oil supplier and any disruption to supplies will drive up the price of oil significantly. Ahead of the invasion, oil prices were rising. At the beginning of February, Brent crude was around $90 per barrel. With the invasion, it rose above $100 per barrel.

Russia is also a major producer of natural gas. The EU is particularly dependent on Russia, which supplies 40% of its natural gas. With Germany halting approval of the major new gas pipeline under the Baltic from Russia to Germany, Nord Stream 2, the price of gas has rocketed. On the day of the invasion, European gas prices rose by over 50%.

Nevertheless, with the USA deciding not to extend sanctions to Russia’s energy sector, the price of gas fell back by 32% the next day. It remains to be seen just how much the supplies of oil and gas from Russia will be disrupted over the coming weeks.

Both Russia and Ukraine are major suppliers of wheat and maize, between them responsible for 14% of global wheat production and 30% of global wheat exports. A significant rise in the price of wheat and other grains will exacerbate the current rise in food price inflation.

Russia is also a significant supplier of metals, such as copper, platinum, aluminium and nickel, which are used in a wide variety of products. A rise in their price has begun and will further add to inflationary pressures and supply-chain problems which have followed the pandemic.

The effect of these supply shocks can be illustrated in a simple aggregate demand and supply diagram (see Figure 1), which shows a representative economy that imports energy, grain and other resources. Aggregate demand and short-run aggregate supply are initially given by AD0 and SRAS0. Equilibrium is at point a, with real national income (real GDP) of Y0 and a price index of P0.

The supply shock shifts short-run aggregate supply to SRAS1. Equilibrium moves to point b. The price index rises to P1 and real national income falls to Y1. If it is a ‘one-off’ cost increase, then the price index will settle at the new higher level and GDP at the new lower level provided that real aggregate demand remains the same. Inflation will be temporary. If, however, the SRAS curve continues to shift upwards to the left, then cost-push inflation will continue.

These supply-side shocks make the resulting inflation hard for policymakers to deal with. When the problem lies on the demand side, where the inflation is accompanied by an unsustainable boom, a contractionary fiscal and monetary policy can stabilise the economy and reduce inflation. But the inflationary problem today is not demand-pull inflation; it’s cost-push inflation. Disruptions to supply are both driving up prices and causing an economic slowdown – a situation of ‘stagflation’, or even an inflationary recession.

An expansionary policy, such as increasing bond purchases (quantitative easing) or increasing government spending, may help to avoid recession (at least temporarily), but will only exacerbate inflation. In Figure 2, aggregate demand shifts to AD2. Equilibrium moves to point c. Real GDP returns to Y0 (at least temporarily) but the price level rises further, to P2. (Click here for a PowerPoint of the diagram.)

A contractionary policy, such as raising interest rates or taxes, may help to reduce inflation but will make the slowdown worse and could lead to recession. In the diagram, aggregate demand shifts to AD3. Equilibrium moves to point d. The price level returns to P0 (at least temporarily) but real income falls further, to Y3.

In other words, you cannot tackle both the slowdown/recession and the inflation simultaneously by the use of demand-side policy. One requires an expansionary fiscal and/or monetary policy; the other requires fiscal and/or monetary tightening.

Then there are other likely economic stresses. If NATO countries respond by increasing defence expenditure, this will put further strain on public finances.

Sentiment is a key driver of the economy and prices. Expectations tend to be self-fulfilling. So if the war in Ukraine undermines confidence in stock markets and the real economy and further raises inflationary expectations, this pessimistic mood will tend in itself to drive down share prices, drive up inflation and drive down investment and economic growth.

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  1. If there is a negative supply shock, what will determine the size of the resulting increase in the price level and the rate of inflation over the next one or two years?
  2. How may expectations affect (a) the size of the increase in the price level; (b) future prices of gas and oil?
  3. Why did stock markets rise on the day after the invasion of Ukraine?
  4. Argue the case for and against relaxing monetary policy and delaying tax rises in the light of the economic consequences of the war in Ukraine.