The Fed’s Preferred Inflation Reading: Core PCE

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Alex Frank

Jerome Powell sitting at a desk examining a book by candlelight

The Federal Reserve prefers Core Personal Consumption Expenditures (Core PCE) as its inflation measure for several reasons. Core PCE is considered by the Fed as a more reliable and stable gauge of underlying inflation trends, and its use reflects a strategic approach to monetary policy. Here are some key reasons why the Fed favors Core PCE:

  • Exclusion of Volatile Components

Energy and Food Prices: Core PCE excludes volatile components such as food and energy prices. These elements can experience significant short-term fluctuations due to external factors like geopolitical events, weather conditions, or supply chain disruptions. By excluding them, Core PCE aims to capture the persistent, underlying inflationary or deflationary pressures in the economy.

  • Focus on Persistent Inflation Trends

Stable Measure: Core PCE is seen as a stable measure that provides a more consistent view of inflation trends over time. It helps the Fed focus on persistent inflationary or deflationary factors rather than short-term fluctuations that might not accurately represent the overall trajectory of prices.

  • Better Reflects Consumer Behavior

Consumer Spending Patterns: Core PCE focuses on the core components of consumer spending, providing a more accurate reflection of how individuals and households allocate their resources. This nuanced understanding helps the Fed make more informed decisions regarding interest rates and monetary policy.

  • Alignment with the Dual Mandate

Price Stability: The Federal Reserve has a dual mandate, which includes achieving price stability. Core PCE, by excluding volatile components, helps the Fed better fulfill this mandate by providing a clearer picture of the underlying inflation trends, allowing policymakers to make informed decisions to maintain stable prices.

  • Policy Flexibility

Informed Decision-Making: The use of Core PCE allows the Fed to make informed decisions about monetary policy with a focus on the broader economic environment. Policymakers can adjust interest rates and other policy tools more effectively by relying on a measure that is less susceptible to short-term noise in specific sectors.

  • Consistency with Global Standards

International Comparisons: Core PCE is more consistent with the inflation measures used by central banks in other developed economies. This consistency facilitates international comparisons and aligns the Fed’s approach with global standards in economic analysis and monetary policy.

  • Predictive Power

Leading Indicator: Core PCE has demonstrated predictive power, with changes in consumer spending patterns often preceding shifts in other economic variables. This predictive aspect of Core PCE allows the Fed to anticipate economic trends and make proactive adjustments to monetary policy.

It’s important to note that while Core PCE is a preferred measure, the Federal Reserve considers a range of economic indicators and data points when making monetary policy decisions. The choice of Core PCE aligns with the Fed’s commitment to using comprehensive and stable metrics to fulfill its mandate of promoting maximum employment and stable prices.

Understanding Personal Consumption Expenditures (PCE)

Personal Consumption Expenditures (PCE) is a measure that quantifies the expenditures made by households and individuals on goods and services. This encompasses a wide array of items, ranging from groceries and housing to healthcare and recreational activities. PCE captures the pulse of consumer spending, a vital driver of economic activity. The components included in PCE calculations are extensive, covering both goods and services. This includes but is not limited to:

Goods i.e.

  • Durable Goods (e.g., automobiles, appliances)
  • Non-durable Goods (e.g., food, clothing)

Services i.e.

  • Housing and Utilities
  • Healthcare
  • Recreation and Leisure
Year-on-year Core PCE: 2018 - 2023
Year-on-year Core PCE: 2018 – 2023

Understanding these components is essential for grasping the breadth of PCE and its implications for economic analysis.

Importance of PCE in Measuring Economic Health

Consumer spending, as reflected in PCE, holds a pivotal role in the overall health of an economy. It accounts for a significant portion of the Gross Domestic Product (GDP). When consumers are confident and spending, businesses thrive, leading to increased production, job creation, and economic growth.

PCE is not just a reflection of economic activity; it’s a leading indicator. Changes in consumer spending often precede shifts in other economic variables, making it a crucial tool for economists, policymakers, and investors alike.

Core PCE vs. Headline PCE

While PCE is a robust metric, there exists a distinction between Core PCE and headline PCE. The difference lies in the inclusion or exclusion of certain volatile components.

Headline PCE includes all components, offering a comprehensive view of consumer spending. However, this inclusivity comes with a caveat – it incorporates volatile elements that can distort the overall picture.

Volatile components, such as food and energy prices, can exhibit substantial fluctuations due to external factors like geopolitical events, natural disasters, or supply chain disruptions. These fluctuations can make it challenging to discern the underlying trends in consumer spending.

To address the volatility issue, economists often turn to Core PCE. The “core” designation implies the exclusion of these volatile components, providing a more stable and reliable measure of underlying inflation trends.

The rationale behind focusing on Core PCE is rooted in the desire to discern the true trajectory of consumer spending without the noise created by unpredictable fluctuations in specific sectors.

Calculating Core PCE

Understanding how Core PCE is calculated involves exploring the meticulous process of excluding volatile components and applying statistical methodologies to derive a meaningful metric.

The decision to exclude volatile components like food and energy is not arbitrary. These components, while essential for daily life, are subject to rapid and unpredictable price changes. By excluding them, economists aim to capture the persistent, underlying inflationary or deflationary pressures in the economy.

The calculation of Core PCE involves advanced statistical techniques and relies on a variety of data sources. The process is not static; it is subject to periodic updates and revisions as new data becomes available.

The frequency of updates underscores the dynamic nature of economic conditions. Policymakers and analysts require the most accurate and current information to make informed decisions.

Role of Core PCE in Inflation Analysis

Now that we’ve established the differences between Core PCE and headline PCE and delved into the calculation methods, let’s explore how Core PCE plays a crucial role in inflation analysis.

Inflation, the rate at which the general level of prices for goods and services rises, is a critical economic variable. Understanding inflation trends helps policymakers make informed decisions about monetary policy, interest rates, and overall economic stability.

By excluding volatile components, Core PCE offers a clearer picture of underlying inflation trends. This is especially important when analyzing long-term economic health, as it filters out the noise caused by temporary spikes in specific sectors.

While Core PCE is a powerful tool for understanding inflation, it’s not the only metric available. Comparisons with other inflation indicators, such as the Consumer Price Index (CPI) and the Producer Price Index (PPI), provide a more comprehensive view.

CPI, for instance, includes a broader basket of goods and services, offering insights into the cost of living for consumers. PPI, on the other hand, measures the average change over time in the selling prices received by domestic producers.

Analyzing Core PCE alongside these indicators allows economists and policymakers to triangulate their understanding of inflationary pressures, creating a more robust framework for decision-making.

Implications for Monetary Policy Decisions

Central banks, such as the Federal Reserve in the United States, closely monitor inflation when formulating monetary policy. Core PCE is a favored metric in this context because it helps central bankers discern persistent inflationary or deflationary trends.

When Core PCE indicates rising inflation, central banks might respond by adjusting interest rates upward to cool off economic activity. Conversely, if Core PCE signals deflationary pressures, central banks may consider lowering interest rates to stimulate economic growth.

Economic Insights from Core PCE

Moving beyond its role in inflation analysis, Core PCE provides valuable economic insights that extend into consumer behavior, forecasting trends, and real-world applications.

Correlation Between Core PCE and Consumer Behavior

Consumer behavior is a complex interplay of various factors, including income, employment, and inflation. Core PCE, by focusing on the core components of consumer spending, offers a nuanced understanding of how individuals and households allocate their resources.

Analyzing Core PCE alongside broader economic indicators provides economists with a comprehensive view of the factors influencing consumer decisions. For instance, a sudden spike in healthcare costs reflected in Core PCE might indicate challenges for households in managing their overall budgets.

Predictive Power of Core PCE

One of the remarkable aspects of Core PCE is its predictive power. Changes in consumer spending patterns, as captured by Core PCE, often precede shifts in other economic variables. For example, a sustained increase in Core PCE might signal rising demand for goods and services, potentially leading to increased production and job creation.

Policymakers and investors keen on anticipating economic trends closely watch Core PCE for early signs of potential changes in the economic landscape. This predictive power makes it an invaluable tool in strategic decision-making.

Case Studies and Real-World Examples

To illustrate the practical application of Core PCE, let’s delve into a few case studies and real-world examples.

Case Study: The 2008 Financial Crisis

During the 2008 financial crisis, Core PCE played a crucial role in understanding the depth and impact of the economic downturn. By isolating the core components of consumer spending, economists could discern whether the decline in economic activity was broad-based or concentrated in specific sectors.

This granular understanding allowed policymakers to tailor their responses, implementing targeted measures to address the most affected areas. In retrospect, Core PCE served as an early warning signal, providing insights that proved instrumental in crafting an effective policy response.

Real-World Example: Impact of Technological Advancements

In recent years, technological advancements have reshaped the consumption landscape. E-commerce, for instance, has witnessed exponential growth, impacting traditional retail and altering consumer spending habits.

Analyzing Core PCE in the context of these changes helps economists and businesses understand not only the overall trends in consumer spending but also the shifting dynamics within specific sectors. This knowledge is invaluable for adapting to the evolving economic landscape.

Criticisms and Limitations

While Core PCE is a powerful economic indicator, it’s not without its criticisms and limitations. Understanding these challenges is crucial for interpreting Core PCE data accurately.

Common Criticisms of Core PCE

  1. Subjectivity in Excluding Components: The process of excluding volatile components from Core PCE involves a degree of subjectivity. Determining which components are truly volatile and which are essential can be a matter of interpretation, leading to potential biases in the calculation.
  2. Changing Consumption Patterns: Core PCE assumes a static basket of goods and services. However, consumer preferences and consumption patterns evolve over time. Failure to account for these changes may result in an incomplete representation of actual spending habits.
  3. Regional Variations: Core PCE aggregates data at a national level, potentially overlooking significant regional variations. Economic conditions can vary widely from one region to another, and a national perspective might not capture the nuances of local economic dynamics.

Limitations and Challenges in Accurately Measuring Consumer Spending

Accurately measuring consumer spending, the cornerstone of Core PCE, poses several challenges.

  1. Data Accuracy: The reliability of Core PCE hinges on the accuracy of the data sources. Incomplete or inaccurate data can lead to misinterpretations of consumer spending trends.
  2. Behavioral Changes: Economic indicators are influenced by human behavior. Unexpected events, such as a global pandemic or a major technological breakthrough, can trigger rapid shifts in consumer behavior, challenging the ability of economic models to accurately predict trends.
  3. Rapid Changes in the Economy: Economic conditions can change swiftly. The quarterly updates of Core PCE may not capture sudden shifts in consumer spending patterns, especially during periods of economic uncertainty.

Ongoing Debates in the Economic Community Regarding PCE Metrics

As with any economic metric, debates persist within the economic community regarding the accuracy, relevance, and reliability of Core PCE.

One ongoing debate revolves around the appropriate inflation target for central banks. While Core PCE provides a stable measure of underlying inflation trends, the question of what level of inflation is optimal for economic health remains a subject of discussion.

Some argue for a slightly higher inflation target to provide central banks with more flexibility in responding to economic shocks. Others emphasize the importance of price stability and worry that higher inflation targets could erode the purchasing power of consumers.

The landscape of consumer spending is continually evolving, influenced by technological advancements, demographic shifts, and global economic trends. Some economists argue that traditional metrics like Core PCE may need to be augmented or replaced with more dynamic models that account for the changing nature of consumption.

Importance for Investors and Policymakers

Understanding Core PCE is not limited to economists; it holds immense significance for investors and policymakers.

Investors keen on making informed decisions often incorporate Core PCE into their analytical toolkit. Changes in consumer spending patterns can have a direct impact on the performance of various industries and sectors.

For example, a sustained increase in Core PCE might signal strong demand for consumer goods, prompting investors to allocate funds to industries poised to benefit from

increased consumer spending.

Influence of Core PCE on Central Bank Policies

Central banks, including the Federal Reserve, closely monitor Core PCE when formulating monetary policy. The Federal Reserve, in particular, has set an explicit inflation target and uses Core PCE as a key metric for assessing inflation trends.

Changes in Core PCE can influence central bank decisions on interest rates and other monetary policy tools. If Core PCE suggests rising inflation, the central bank may opt for a more hawkish stance, potentially raising interest rates to curb inflationary pressures. Conversely, a decline in Core PCE might prompt a more dovish approach, with considerations for lowering interest rates to stimulate economic activity.

The release of Core PCE data can trigger significant movements in financial markets. Investors scrutinize the data for clues about the direction of interest rates and overall economic health.

A scenario where Core PCE indicates rising inflation may lead to expectations of higher interest rates, impacting bond yields and equity valuations. Conversely, if Core PCE signals subdued inflation, financial markets may interpret it as a signal for continued accommodative monetary policy, influencing investment strategies.

Future Developments and Changes

As we navigate an era of rapid technological advancements and evolving economic paradigms, the future of Core PCE is subject to potential changes and developments.

Economists and statisticians are continually refining their methodologies to enhance the accuracy of economic indicators. Future modifications to the calculation of Core PCE may involve a more granular assessment of consumer spending patterns, incorporating new data sources and technologies to provide a more nuanced understanding of economic trends.

The advent of big data, machine learning, and advanced analytics presents opportunities to revolutionize the way economic indicators are calculated. Integrating these technologies into the computation of Core PCE could lead to more real-time and accurate insights into consumer behavior.

The evolution of Core PCE will likely parallel broader advancements in economic analysis. As our understanding of consumer behavior deepens and as new challenges and opportunities emerge on the economic horizon, Core PCE may transform to remain a relevant and reliable indicator.


In conclusion, Core PCE stands as a lighthouse in the sea of economic indicators, guiding policymakers, investors, and economists in their quest to understand and navigate the complex currents of consumer spending and inflation.

By excluding volatile components and focusing on the core elements of personal consumption expenditures, Core PCE provides a valuable lens through which we can discern the underlying trends shaping our economic landscape. From predicting inflationary pressures to influencing central bank decisions, Core PCE’s impact resonates across various facets of our interconnected financial world.

As we stand at the crossroads of economic evolution, the journey of Core PCE continues. Its ongoing refinement, coupled with the integration of cutting-edge technologies, ensures that it remains a beacon of insight, illuminating the path toward a deeper understanding of our economic reality.


  1. Bureau of Economic Analysis. (2022). “Personal Consumption Expenditures.”
  2. Federal Reserve Bank of St. Louis. (2022). “Personal Consumption Expenditures: Core (PCE).”
  3. Blinder, A. S., Canetti, E., Lebow, D. E., & Rudd, J. B. (1998). “Ask the Experts: What Causes the Recent Increase in Inflation?” Journal of Economic Perspectives, 12(2), 3-26.
  4. Mankiw, N. G. (2006). “The Macroeconomist as Scientist and Engineer.” Journal of Economic Perspectives, 20(4), 29-46.

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