AI Summary. Demand and supply curves estimated from pre-pandemic data imply relatively flat demand curves in the US and euro area, so adverse supply shifts would produce large output losses but comparatively little inflation. The authors argue explaining the observed combination of high inflation and output requires outward demand shifts, including accommodative monetary policy alongside fiscal expansion.

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Giannone and Primiceri revisit the relative role of supply vs. demand shocks in generating the post-Covid inflation. Because aggregate demand curves estimated from pre-pandemic data are flat, supply shocks alone would not have generated large inflation in the absence of added demand stimulus.

Did outward demand shifts, not supply shocks alone, drive recent inflation?

Core argument: Demand curves estimated from pre-pandemic US and euro-area data are relatively flat, reflecting central banks’ strong pre-pandemic responses to inflation, so adverse supply shifts produce large output losses but comparatively little inflation.

Demand and supply curve slopes are estimated from pre-pandemic data using the essentially definitional restriction that supply shocks move prices and output in opposite directions along demand curves, while demand shocks move them together along supply curves; the plotted slopes represent Bayesian posterior medians rather than uniquely identified estimates. The estimated demand curves are relatively flat in both the US and euro area [Figure 7], reflecting the central banks’ strong pre-pandemic responses to inflation. With those slopes, adverse supply shifts cause large output losses but comparatively little inflation. [To successfully explain] the combination of inflation and output observed in 2022 therefore requires demand to shift outwards too. Strong demand, including unusually accommodative monetary policy [on top of strong fiscal expansion], cushioned the output losses while increasing inflation [Figure 7]. In 2021–22, both inflation and GDP as subsequently revised exceeded forecasts in the US and euro area. That combination is suggestive of unexpectedly strong demand, whereas an adverse supply surprise alone would raise inflation but lower output. [Figure 9].

Takeaways by Macro Roundup® AI

  1. Demand curves estimated from pre-pandemic US and euro-area data are relatively flat, reflecting central banks’ strong pre-pandemic responses to inflation, so adverse supply shifts produce large output losses but comparatively little inflation.
  2. Explaining the 2022 combination of inflation and output requires an outward shift in demand, with strong demand — including unusually accommodative monetary policy atop fiscal expansion — cushioning output losses while raising inflation.
  3. In 2021–22, both inflation and GDP as subsequently revised exceeded forecasts in the US and euro area, a combination suggestive of unexpectedly strong demand, since an adverse supply surprise alone would raise inflation but lower output.

AI Summary. The Institute of International Finance reports global debt as a share of output rose less than 10 percentage points between 2018 and mid-2026, peaking at 337% in early 2021 before falling 27 percentage points by the end of 2023. Inflation eroded the debt burden, as it did in the UK after the Second World War.

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Wolf notes that the global debt-to-GDP ratio rose by less than 10pp btw 2018 and June 2026: after peaking at 337% in early 2021, it fell by 27pp by the end of 2023, as inflation boosted nominal GDP and eroded the value of existing debt.

Does inflation reduce the global debt burden?

Core argument: IIF data show the global debt-to-output ratio reached a post-Covid peak of 337% in early 2021 before falling by 27 percentage points by the end of 2023, with inflation identified as the force that eroded it.

The IIF shows that between 2018 and June 2026, the rise in the ratio of global debt to output was less than 10 percentage points. The story is striking: the ratio reached a post-Covid peak of 337% in early 2021, before falling by 27 percentage points by the end of 2023. What was this magical “debt-buster”? Good old-fashioned (and supposedly “unexpected”) inflation. This is — to put it mildly — not the first time inflation has wiped out debt. It was, to take one of countless examples, an important part of the UK’s elimination of its post-second-world-war debt. For countries able to print the money in which their debt is denominated, that is often what happens.

Takeaways by Macro Roundup® AI

  1. IIF data show the global debt-to-output ratio reached a post-Covid peak of 337% in early 2021 before falling by 27 percentage points by the end of 2023, with inflation identified as the force that eroded it.
  2. Between 2018 and June 2026, the IIF shows the ratio of global debt to output rose by less than 10 percentage points.
  3. Inflation has wiped out debt before, forming an important part of the UK’s elimination of its post-second-world-war debt, and often does so for countries able to print the currency in which their debt is denominated.

AI Summary. Iran's economy is on track for its largest annual contraction since the mid-1980s, with inflation above 50% — the highest in nearly 70 years of records — and food and other necessities costing double a year earlier. Its currency has fallen to a record low of about 1.85m rials per dollar on the black market.

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Inflation in Iran is running at at least ~69%, its highest annual rate in 70 years. The black market exchange value of a rial hit a record low of ~1.85mm rials to the dollar, relative to 50,000 per dollar five years ago.

Is Iran's economy contracting at its fastest rate in decades?

Core argument: Iran's economy is on track for its biggest annual contraction since the nadir of the Iran-Iraq War in the mid-1980s.

[Iran's] economy is on track to suffer the biggest annual contraction since the nadir of the Iran-Iraq War in the mid-1980s. Inflation is running well above 50%, the highest annual rate since records start nearly 70 years ago. Worse, the cost of food and other necessities has already doubled from a year ago. Its currency, the rial, is worthless. In the black market, the exchange rate has collapsed to a record low of about 1.85 million rials to the dollar; five years ago, roughly 50,000 rials were enough to buy a greenback.

Takeaways by Macro Roundup® AI

  1. Iran's economy is on track for its biggest annual contraction since the nadir of the Iran-Iraq War in the mid-1980s.
  2. Iranian inflation is running well above 50%, the highest annual rate since records began nearly 70 years ago, with the cost of food and other necessities already double year-ago levels.
  3. The rial has fallen to a record low of about 1.85 million to the dollar on the black market, compared with roughly 50,000 rials per dollar five years ago.

AI Summary. The author argues that a surge in money growth beginning in 2020 put upward pressure on inflation to a degree unprecedented in the sample period since 1967, and that subsequent monetary tightening produced strong disinflationary pressures. Had policymakers tracked money growth using a price-target model, they might have tightened sooner and avoided some of the inflation.

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Ireland, Miran, and Roubini compare the actual price level to the predictions of an equilibrium model relating prices to money supply. Predicted inflation hit a 60-year high in 2020–21, months before inflation surged and then crashed once the Fed hiked.

Would tracking money growth have helped policymakers tighten sooner?

Core argument: The money growth surge beginning in 2020 and continuing into 2021 put upward pressure on inflation to a degree unprecedented in the post-1967 sample period, according to the graphs in Figure 3.

The graphs in Figure 3 show quite clearly how the surge in money growth starting in 2020 and continuing in 2021 put enormous upward pressure on inflation, to a degree unprecedented in the post-1967 sample period. And while the large and negative price gaps that followed in 2022 and 2023 are likewise indicative of strong disinflationary pressures applied through subsequent monetary tightening, one can’t see these graphs without asking: Had Federal Open Market Committee members been monitoring measures of money growth with the help of the P-star [price target based on monetary aggregates] model, might they have ended QE and raised interest rates sooner and more quickly, thereby avoiding at least some of the post-2020 inflation? Of course, massive fiscal expansion was another driver of the post-2020 surge in inflation, as suggested by fiscal theories of the price level. The model simply observes that regardless of its originating source, excessive money growth signals that inappropriate macroeconomic policies are fueling higher inflation. Fiscal expansions that expand money supply will be reflected in a P-star model.

Takeaways by Macro Roundup® AI

  1. The money growth surge beginning in 2020 and continuing into 2021 put upward pressure on inflation to a degree unprecedented in the post-1967 sample period, according to the graphs in Figure 3.
  2. The large negative price gaps of 2022 and 2023 indicate strong disinflationary pressures from subsequent monetary tightening, raising the question of whether FOMC members using the P-star model would have ended quantitative easing and raised interest rates sooner and more quickly.
  3. Massive fiscal expansion was another driver of the post-2020 inflation surge, as suggested by fiscal theories of the price level, and fiscal expansions that expand the money supply are reflected in a P-star model.

AI Summary. Current readings on labor market tightness, manufacturing price pressures, supply chain tightness and the output gap resemble conditions that have historically preceded Federal Reserve rate increases rather than cuts, and futures markets are pricing in hikes. Averaging several monetary policy rules implies a policy rate of 4.00%–4.85% versus the current 3.50%–3.75%.

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Cembalest notes labor market tightness, price pressures in the manufacturing sector and the implied output gap are “much closer to conditions that have historically prompted the Fed to raise policy rates rather than to lower them.”

Do current inflation indicators point toward rate hikes rather than cuts?

Core argument: Averaging several monetary policy rules — Taylor rules, inertial, alternative r*, and forward-looking — yields a Fed Funds range of 4.00%–4.85%, above the current 3.50%–3.75% range.

Inflation indicators the Fed watches include labor market tightness, price pressures in the manufacturing sector, supply chain tightness and the “output gap” which measures how far actual growth is above/below potential growth. [The two] charts plot these four variables at the time of prior Fed decisions to increase or cut policy rates; green dots indicate when the Fed cut, red dots indicate when the Fed tightened and yellow circles show today’s values. In other words: current values are much closer to conditions that have historically prompted the Fed to raise policy rates rather than to lower them. That may be why the futures curve is now pricing in Fed hikes instead of the cuts that were priced in at the start of the year. Superwonky: averaging several different monetary rules of thumb (Taylor rules, inertial, alternative r*, forward-looking) yields a Fed Funds range of 4.00% - 4.85% compared to the current range of 3.50% - 3.75%.

Takeaways by Macro Roundup® AI

  1. Averaging several monetary policy rules — Taylor rules, inertial, alternative r*, and forward-looking — yields a Fed Funds range of 4.00%–4.85%, above the current 3.50%–3.75% range.
  2. Labor market tightness, manufacturing price pressures, supply chain tightness, and the output gap sit much closer to conditions that historically prompted the Fed to raise policy rates than to cut them.
  3. The futures curve is pricing in Fed hikes rather than the cuts priced in at the start of the year.

AI Summary. The University of Michigan's consumer sentiment index fell 5 points to 44.8, a record low and weaker than all economist projections in a Bloomberg survey. Consumers expect prices to rise 3.9% annually over the next five to 10 years, up from 3.5%, and 4.8% over the coming year.

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The Michigan Consumer Sentiment Index hit a record low in May, falling ~10% month over month. Consumers foresee prices advancing 4.8% over the next year. Inflation and high gas prices have long been major causes of sentiment drops.

Are price expectations pushing consumer sentiment to a record low?

Core argument: The University of Michigan's final May consumer sentiment index fell 5 points from April to 44.8, a record low and weaker than every forecast in a Bloomberg survey of economists as well as the preliminary reading of 48.2.

The University of Michigan’s final May sentiment index decreased 5 points to 44.8 from April. The gauge was weaker than all projections in a Bloomberg survey of economists as well as the preliminary reading of 48.2. Consumers expect prices to rise an annualized 3.9% over the next five to 10 years, up from 3.5% in April and the highest in seven months. They also saw costs advancing 4.8% over the next year.

Takeaways by Macro Roundup® AI

  1. The University of Michigan's final May consumer sentiment index fell 5 points from April to 44.8, a record low and weaker than every forecast in a Bloomberg survey of economists as well as the preliminary reading of 48.2.
  2. Consumers expect prices to rise an annualized 3.9% over the next five to 10 years, up from 3.5% in April and the highest in seven months.
  3. Consumers expect costs to advance 4.8% over the next year, according to the University of Michigan's final May survey.

AI Summary. The average new car transaction price is around $50,000, with new cars under $20,000 essentially unavailable, while auto repair costs rose 15% over the past year to roughly $840 per visit. The author argues the US should stop protecting Detroit and open the market to Chinese cars.

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In 2012, there were ~12 new cars available for around $25,000 in real terms in the US. Today, there are only 4 new cars available at that price point. Clifford Winston notes allowing Chinese imports would likely increase that number to 11.

Would opening the US market to Chinese cars restore affordable vehicles?

Core argument: The average transaction price for a new car sits around $50,000, and in December it became nearly impossible to find a new car for less than $20,000.

The average transaction price for a new car now sits around $50,000. In December, it became just about impossible to find one for less than $20,000. For anyone on a budget, an aging car is a trap. Auto repair costs jumped 15% in the last year alone, driven by the complexity of modern sensors and labor shortages. An average trip to the mechanic now costs roughly $840. To fix the problem, policymakers must overturn what has been for decades the third rail in American politics. It is time to stop coddling Detroit automakers [and open] the American market to cars made in China and elsewhere. Chinese cars aren’t just cheaper than the American alternatives. They’re often better. Take BYD’s slightly more upscale Seal sedan. It’s similar to Tesla’s Model 3, introduced nine years ago. But the Seal costs roughly $20,000 less than the Model 3. The Seal’s premium model offers substantially more horsepower, and its battery not only lasts longer, it can also be 80% charged in just 37 minutes. The Seal isn’t just a budget alternative; it is a more advanced machine.

Takeaways by Macro Roundup® AI

  1. The average transaction price for a new car sits around $50,000, and in December it became nearly impossible to find a new car for less than $20,000.
  2. Auto repair costs rose 15% over the past year, driven by the complexity of modern sensors and labor shortages, with an average trip to the mechanic costing roughly $840.
  3. BYD's Seal sedan costs roughly $20,000 less than Tesla's Model 3, and the Seal's premium model offers substantially more horsepower, a longer-lasting battery, and an 80% charge in 37 minutes.

AI Summary. Average US weekly pay has risen 31% over six years, outpacing prices, but inflation erased most of those gains. Grocery prices are up about 30% since early 2020, a young married couple now needs 70% of annual household income for an average down payment versus 58% in 2019.

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The US price level has risen 26% since January 2020, leaving Americans’ average weekly real wages up only 3.7% over five years.

Why do Americans feel squeezed when wages outpaced prices?

Core argument: Average American weekly pay has risen 31% over the past six years, outpacing prices in the aggregate, but inflation wiped out most of those income gains, and low earners now lag after leading wage growth following the pandemic.

The average American’s weekly pay has risen 31% over the past six years. That’s faster than prices across that period, so Americans in the aggregate aren’t losing ground — but inflation wiped out most of their income gains. For low earners, who saw the fastest wage growth after the pandemic, the last year or so has been tougher and they’re now lagging behind. [Grocery] prices are up about 30% since January 2020, about in line with average wage growth. But Americans had gotten used to paying roughly the same at the supermarket each week in the pre-pandemic years. Lately, they’ve been forced to stomach a bigger bill with almost every visit. A double-punch has pushed homeownership out of reach for many Americans: First the pandemic-era surge in prices, and then a steep run-up in mortgage rates. A young married couple now needs 70% of their annual household income to afford the average down payment, according to Goldman Sachs economist Elsie Peng, up from 58% in 2019 and 45% in 2000. [Further], the average principal and interest payment has doubled since early 2020, according to the National Association of Realtors. Employee premiums for family health insurance have risen 23% in the past five years to almost $6,900 on average. And more than 20 million people who rely on Affordable Care Act plans face a hike in their premiums after Congress let Covid-era subsidies expire.

Takeaways by Macro Roundup® AI

  1. Average American weekly pay has risen 31% over the past six years, outpacing prices in the aggregate, but inflation wiped out most of those income gains, and low earners now lag after leading wage growth following the pandemic.
  2. A young married couple needs 70% of annual household income to afford the average down payment, up from 58% in 2019 and 45% in 2000, according to Goldman Sachs economist Elsie Peng, while the average principal and interest payment has doubled since early 2020, per the National Association of Realtors.
  3. Employee premiums for family health insurance have risen 23% in the past five years to almost $6,900 on average, and more than 20 million people on Affordable Care Act plans face premium increases after Congress let Covid-era subsidies expire.