Inside Economics
Inside Economics

Digital Currency and Delta

Aaron Klein, Senior Fellow in economic studies at Brookings Institute, joins Mark, Cris, and Ryan to discuss the current state and future of crypto currencies.

Featured Speakers

Moody's Analytics HostAaron Klein Guest

Topics Discussed

Episode Summary

Executive Summary: The episode centers on a wide-ranging discussion of digital currency—Bitcoin, stablecoins, and central bank digital currency—framed by current labor-market and housing data and a broader debate about how the pandemic continues to shape the economy. Aaron Klein argues crypto has useful niches but faces major limits as money, while hosts debate volatility, regulation, leverage, privacy, and whether CBDCs would improve or worsen the payment system.

Main Topics: Labor-market and GDP snapshot (Priority: 5/5): The hosts review JOLTS, quits, and monthly GDP, concluding that labor demand remains very strong but labor supply is constrained by pandemic-related frictions and Delta-related disruptions. Housing-market overheating (Priority: 4/5): They highlight record house-price growth and metro-level extremes, using the housing boom as a contrast to crypto speculation and a sign of broader asset-price inflation. What crypto is—and is not (Priority: 5/5): Aaron Klein distinguishes crypto as currency, blockchain as technology, and digital assets as a potential store of value, while Mark emphasizes that Bitcoin's volatility makes it poor money today. Stablecoins and systemic risk (Priority: 5/5): The discussion shifts to stablecoins like Tether, which are compared to money market mutual funds and seen as vulnerable to runs, opacity, and hidden leverage. Central bank digital currency (CBDC) (Priority: 4/5): The panel debates whether central banks should issue digital currency directly to households, weighing efficiency and financial inclusion against surveillance and state control concerns. Use cases and global adoption (Priority: 4/5): The group identifies remittances, capital controls, and lower-trust economies like El Salvador as the strongest near-term use cases for crypto, while doubting broad displacement of the dollar. Dodd-Frank, regulation, and consumer protection (Priority: 3/5): Aaron reflects on his role in TARP and Dodd-Frank, arguing the CFPB was the most effective provision and that some Dodd-Frank criticisms target later amendments rather than its core design.

Key Arguments: Labor demand is still robust, but labor-force participation is constrained by caregiving, illness fears, and pandemic disruptions rather than a lack of jobs. Record quits and job openings suggest significant labor churn, which can lead to noisy monthly employment estimates and upward revisions. House prices are rising at extraordinary rates, reinforcing concerns about asset inflation and leverage. Bitcoin and similar tokens are too volatile to function well as a medium of exchange or reliable store of value in developed economies. Blockchain may offer real efficiency gains in recordkeeping and ledgers, especially for property titles and cross-border payments. Stablecoins resemble money market funds: they promise stability while investing underlying assets in less transparent instruments, creating run risk. A major stablecoin failure could trigger a run, but a government bailout is unlikely unless the system becomes large and politically consequential. CBDCs could improve payments and inclusion, but they also raise privacy and control concerns, especially if they replace commercial-bank digital money. Crypto’s strongest practical use cases are remittances, cross-border transfers, and moving money in capital-control environments. Long-run crypto adoption may grow because talented builders keep improving the technology and a global market creates strong incentives for innovation.

Data Points: JOLTS openings-to-unemployed ratio: 0.8 - Record low ratio cited in the labor-market discussion; indicates unusually tight labor demand relative to unemployment. Job openings: 10.9 million - Record number of open positions reported in JOLTS, used to argue labor demand is exceptionally strong. Quits: 3,977,000 - JOLTS quits figure for July, described as a record high and a sign of strong labor-market churn. CoreLogic house price growth: 18% - Year-over-year U.S. house price growth, described as a record high since the series began in 1976. Phoenix house price growth: 30% - Metro area cited as the strongest in the CoreLogic data. Idaho house price growth: 33.6% - State-level example showing extreme housing appreciation. Tracking estimate for Q3 GDP: 3.9% - Moody's/Inside Economics tracking estimate mentioned as having fallen due to Delta. Monthly GDP change for July: -0.4% - Real monthly GDP declined in July despite strong payroll gains. Bitcoin volatility: 75% - Approximate annual volatility cited to show why crypto is a poor medium of exchange. Broad trade-weighted dollar volatility: 5% - Used as a comparison showing the dollar is much more stable than Bitcoin. Stock market volatility: 17% - Used as a benchmark for asset volatility relative to Bitcoin. Estimated market value of crypto: $2 trillion - Approximate size of the crypto market at the time of the discussion. Value of U.S. single-family housing stock: $35–40 trillion - Mark uses this to show crypto is large but still far smaller than housing wealth. Value of U.S. publicly traded equity: ~$50 trillion - Another scale comparison to contextualize crypto's market size. U.S. Treasury debt outstanding: $22 trillion - Provided as additional size context for financial markets. Modal age for white Americans: 57 - Aaron uses demographic data to argue crypto ownership skews younger. Modal age for African Americans: 27 - Used to show demographic differences tied to crypto adoption. Modal age for Latinos: 11 - Aaron cites it to illustrate how younger populations correlate with greater crypto exposure.

Pivotal Quotes: "I think that there's, you know, crypto has become a shorthand for accumulation of very different sets of concepts which need to be disentangled." — Aaron Klein: Aaron frames the debate by separating cryptocurrency, blockchain, stablecoins, and CBDCs into distinct issues. "I think a better, smarter definition of money is money is something in which is a system of debits and credits in which you can have third-party exchange without prior party consent." — Aaron Klein: He offers his core conceptual definition of money to explain how crypto can function as money in some settings. "I think it is going to be a bigger deal than we think it's going to be." — Mark Zandi: Mark ends by arguing that crypto and digital currency may have a much larger future than current skeptics expect.

Implications: Crypto is unlikely to replace the dollar soon, but digital payments, stablecoins, and CBDCs will keep evolving. The biggest near-term risks are runs, leverage, and privacy conflicts; the biggest opportunities are remittances and payment efficiency.

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Join Chief Economist Mark Zandi, Marisa DiNatale and Cristian deRitis as they discuss key indicators and other aspects of the global economy. Contact us at [email protected]. Visit online at www.economy.com/economicview

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