BIX ARTICLE

Is Inflation Under Control? - A Rocky Path Ahead


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1   Introduction

Since the beginning of 2023, the financial market has been exuberant and filled with optimism that the U.S. inflation would be tamed sooner than expected. This led to expectations that the Federal Reserve (Fed) would not be as hawkish as they were in 2022 in which they raised the benchmark Fed Funds Rate by 425bps to between 4.25% and 4.50% as at year end. The aggressive Fed monetary policy has led investors to believe that a recession or slowdown is inevitable and thus, will bring the interest rate hike to a halt.

In this research paper, we will discuss the factors leading to this market optimism and delve into the potential potholes, or even pitfalls that await investors. The path forward is not straightforward and as with past years, will remain rocky and uneven.


 
2   Optimism

Some of the factors leading to the belief that inflation is cooling off at the start of the year include the consumer price index (CPI) growth rate which has been trending lower since middle of 2022, the high base effect of the inflation as well as slowing monetary growth judging from the decrease in the Fed’s balance sheet.

Chart 1: CPI (Y-O-Y Growth Rate)
Source: FRED
Chart 1: CPI (Y-O-Y Growth Rate)


 
3   Potholes

That being said, it is still a long way to go before inflation drops to a more palatable level for the Fed, i.e. 2% to 3%. Looking at Chart 1 above, there is no doubt the inflation as measured by the CPI has been trending lower as the Fed was extremely hawkish in 2022 due to the persistent inflationary pressure caused by supply chain disruption and the Russia-Ukraine war. Nonetheless, if we were to scrutinise the components of the CPI, which could be separated into Flexible and Sticky Price CPI, then perhaps things are not as straightforward as they may seem.

Flexible Price CPI - calculated from a subset of goods and services included in the CPI that change price relatively frequently. As flexible prices are quick to change, it assumes that when these prices are set, they incorporate less of an expectation about future inflation. Evidence suggests that this flexible price measure is more responsive to changes in the current economic environment or the level of economic slack. Historical data suggests these items tend to change prices in less than 4.3 months on average. For instance, these items include gas and fuel, food, fruits and vegetables, car and truck rentals, lodging away from home, motor vehicle parts and equipment, apparel and footwear, etc.

Sticky Price CPI - calculated from a subset of goods and services included in the CPI that change price relatively infrequently. As these goods and services change price relatively infrequently, they are thought to incorporate expectations about future inflation to a greater degree than prices that change on a more frequent basis. One possible explanation for sticky prices could be the costs firms incur when changing prices. Historical data suggests these items will take more than 4.3 months on average to change prices. For instance, these items include household furnishings and operations, motor vehicle insurance, medical care, personal care products, recreation, communication, public transportation, rent of primary residence, etc.

If we exclude the more volatile food and energy prices, then both the Flexible and Sticky Price CPI trends are demonstrated in the following charts. They clearly show that the Flexible Price CPI has been trending lower since 2022, which almost coincides with the Fed rate hike period while the Sticky Price CPI has been trending higher since 2022 and oblivious to the Fed rate hikes in 2022.


Chart 2: Flexible Price Consumer Price Index less Food and Energy

Source: FRED
Chart 2: Flexible Price Consumer Price Index less Food and Energy


Chart 3: Sticky Price Consumer Price Index less Food and Energy

Source: FRED
Chart 3: Sticky Price Consumer Price Index less Food and Energy



 
4   Implication

The implication of this observation means that on the surface, inflation as a whole has been trending lower but the most difficult part of the inflation, which is represented by the Sticky Price CPI, has not been responding to the Fed rate hikes. Since the Sticky Price CPI incorporates expectations about future inflation to a greater degree and has not been coming down after all the hikes, the Fed has no choice but to take a harder stance on inflation.

Otherwise, the inflation may become entrenched as a result of the inflation expectation and this will cause inflationary pressure to persist at the current level around 5% to 6% instead of the Fed target range of 2% to 3%. Once this is established, it would make the future fight against inflation harder.

 
5   Wage Growth

Historically speaking, wage growth plays a major role in inflation expectations. Employees demand higher wages if inflation expectations are soaring or even entrenched at an elevated level. Let us take a look at the wage growth in the U.S. over the years.

Chart 4: Average Hourly Earnings of All Employees, Total Private (Y-O-Y Growth Rate)

Source: FRED
Chart 4: Average Hourly Earnings of All Employees, Total Private (Y-O-Y Growth Rate)


As shown in Chart 4, wage growth as measured by the average hourly earnings of all employees in the private sector is still above 4% despite showing signs of a slowdown recently. Sticky Price CPI will stay elevated unless wage growth gravitates to around 2% to 3% as shown in the years before the Covid-19 pandemic wreaked havoc in the employment market.


 
6   Unemployment Rate

In order for wage growth to decelerate, the job market has to slow down as well. The recent unemployment rate, which is around 3.4%, clearly shows that the job market has not slowed down that much.

Unemployment Rate

Source: FRED
Unemployment Rate


 
7   Conclusion

Notwithstanding the decelerating trend of the CPI recently, the U.S. inflation still has a long and rocky path ahead before reaching the Fed target of 2% to 3% as the Sticky Price CPI is still hovering at elevated levels even though the Flexible Price CPI has already fallen. Before inflation expectations becomes entrenched, wage growth and the job market have to cool down first. However, these phenomena are not yet observable at this juncture.


Source: [BPAM] Is Inflation Under Control? – A Rocky Path Ahead (2023, 15 May). BPAM MARKET AND PRODUCT RESEARCH. Retrieved from BPAM

 
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