---
title: "Here are the hidden flaws in Warsh’s new way of tracking inflation"
description: "Economists at Nomura say the new way Kevin Warsh is tracking inflation doesn’t have better predictive power than core readings."
author: "Steve Goldstein"
section: market-watch
published: 2026-09-23T10:07:09.957272+00:00
canonical: https://valorandventures.media/article/c1613099-9ab3-4b18-95e1-0e049988e0eb
publisher: "Valor & Ventures Media"
source: "MarketWatch"
source_url: https://www.marketwatch.com/story/here-are-the-hidden-flaws-in-warshs-new-way-of-tracking-inflation-fb7939de?mod=mw_rss_topstories
access: free
---

# Here are the hidden flaws in Warsh’s new way of tracking inflation

*Economists at Nomura say the new way Kevin Warsh is tracking inflation doesn’t have better predictive power than core readings.*

## Executive Summary

A debate has emerged within the financial sector regarding the efficacy of novel economic forecasting models, specifically focusing on a new methodology proposed by Kevin Warsh for tracking inflation. According to a report from MarketWatch, economists at the global financial services firm Nomura have analyzed this new approach and raised significant questions about its utility. The firm's analysis indicates that the alternative metric introduced by Warsh does not possess superior predictive capabilities when compared to traditional core inflation readings, which remain the industry standard. The skepticism from Nomura highlights a broader challenge in macroeconomic forecasting, where analysts constantly seek more accurate tools to anticipate price stability and monetary policy shifts. Traditional core inflation readings, which typically strip out highly volatile sectors like food and energy to provide a clearer view of underlying price trends, have long served as the foundation for central bank policy. The critique reported by MarketWatch suggests that alternative frameworks, despite attempting to refine or replace these classic models, often fail to deliver the heightened analytical foresight that their creators promise. In evaluating the flaws of the newly proposed tracking system, the Nomura economists emphasize that a forecasting tool must demonstrate clear, empirical advantages to justify its adoption over established benchmarks. When new methods are introduced by prominent economic figures, they undergo intense institutional scrutiny to determine whether they truly offer a clearer picture of economic reality. According to the outlet, Nomura's findings suggest that Warsh's model does not provide the analytical edge required to displace or even supplement the standard core readings that market participants currently rely upon. This critique underscores the inherent difficulty in reforming established economic measurement standards. While the financial community frequently welcomes innovative approaches to data interpretation, the threshold for adopting new metrics remains exceptionally high. Nomura's assessment serves as a reminder that novel statistical designs must prove their worth through rigorous predictive performance, and without a demonstrable advantage, traditional baselines remain the safest harbor for economic forecasting. For the executives, founders, and civic-minded leaders in the Valor & Ventures audience, this development emphasizes the critical need for analytical discipline when interpreting macroeconomic signals. In an era of rapid market fluctuations, decision-makers are often inundated with new frameworks and predictive models promising superior insights. This situation serves as a neutral reminder that time-tested metrics, such as core inflation, continue to offer the most reliable foundation for corporate strategy, risk management, and capital allocation. Relying on proven indicators, rather than unverified analytical trends, remains essential for maintaining institutional stability and navigating complex economic landscapes.

## Article

Economists at Nomura say the new way Kevin Warsh is tracking inflation doesn’t have better predictive power than core readings.
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Steve Goldstein · MarketWatch · Photo: Getty Images

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Originally published by MarketWatch: https://www.marketwatch.com/story/here-are-the-hidden-flaws-in-warshs-new-way-of-tracking-inflation-fb7939de?mod=mw_rss_topstories