Odd Lots
Odd Lots

Why Money Launderers Love $100 Bills

Hardly anyone nowadays seems to carry much cash, never mind carrying around a bunch of $100 bills. So why does the amount of physical cash in circulation — especially big denominations like the $100 bill — keep increasing? There's a pretty obvious answer. All those dollars are being laundered a

Featured Speakers

Bloomberg HostOliver Bullow Guest

Topics Discussed

Episode Summary

Executive Summary: The episode examines why money laundering remains massive despite decades of anti-money-laundering rules, highlighting how criminals move value through cash, trade, luxury goods, casinos, and crypto. Guest Oliver Bullough argues the system is expensive, bureaucratic, and ineffective because enforcement is fragmented while high-denomination banknotes and cross-border loopholes still enable illicit finance.

Main Topics: Scale of global money laundering (Priority: 5/5): Bullough estimates laundering at 2%-5% of global GDP, underscoring that it is a multi-trillion-dollar shadow economy that likely grows with the world economy. Cash, high-denomination notes, and the paradox of banknotes (Priority: 5/5): The hosts and guest discuss why large amounts of cash, especially $100 bills, remain in circulation even as everyday cash use falls, creating a tool favored by criminals. Trade-based money laundering and value transfer through goods (Priority: 5/5): A major theme is that illicit value often moves outside the formal banking system through commodities, luxury goods, tractors, handbags, and other high-value goods that function like money. Chinese capital controls and the Vancouver model (Priority: 4/5): Bullough explains how wealthy Chinese demand for outbound funds intersects with cartel cash supply, producing sophisticated laundering networks that match buyers and sellers of illicit value. Carousel fraud and VAT exploitation (Priority: 4/5): The discussion details missing-trader VAT fraud in the UK/EU, where shell companies exploit tax rules to generate fraudulent refunds from transactions that never truly paid VAT. Crypto and stablecoins as laundering tools (Priority: 4/5): Crypto is presented as an accelerant rather than a replacement for cash, with stablecoins enabling rapid cross-border value transfer and complementing cash-based street-level laundering. Policy failure, incentives, and seniorage (Priority: 5/5): The episode argues governments have little incentive to eliminate large bills because they benefit from seniorage, while banks bear compliance costs and law enforcement lacks resources to use suspicious activity reports effectively.

Key Arguments: Money laundering is not a niche problem; the best estimate places it at 2%-5% of global GDP, or roughly $2-$5 trillion annually. Despite years of AML rules, the system has largely failed because criminals adapt faster than regulators and exploit both cash and trade channels. Most illicit value is moved outside banks through cash smuggling and trade-based laundering, which may dwarf laundering inside regulated institutions. High-denomination banknotes remain attractive because they store large value in a small, portable form and are accepted globally. The persistence of large cash circulation is not well explained by central banks, which often default to the weak claim that banknotes are simply a store of value. Carousel fraud demonstrates how elaborate tax arbitrage can generate money from nothing by exploiting VAT refunds across borders. Crypto, especially stablecoins, is useful for laundering because it speeds up cross-border transfer and pairs naturally with cash collection. A meaningful fix would require coordinated international action; unilateral removal of large bills by one country simply shifts criminal activity elsewhere. Current compliance systems overload banks with suspicious activity reports while under-resourcing law enforcement, creating expensive paperwork rather than effective enforcement. Anti-money-laundering policy can create harmful side effects such as debanking, especially for Muslims and other groups, without meaningfully reducing criminal profits.

Data Points: Estimated share of global GDP laundered: 2% to 5% - Oliver Bullough’s widely used estimate for the size of global money laundering Estimated annual value laundered globally: $2 trillion to $5 trillion - Derived from the 2%-5% share of roughly $100 trillion global GDP AML compliance cost: about $200 billion per year - LexisNexis estimate for global anti-money-laundering compliance spending US dollars in circulation: almost $2.5 trillion - Bullough cites the scale of physical dollar circulation as a paradox Dollar bills outside the United States: about 65% - Fed estimate cited by Bullough for dollar banknotes held abroad Euro banknotes outside the Eurozone: about 50% - ECB estimate cited by Bullough Share of cash in circulation that is $100 bills: 85% of $2.4 trillion - Stat recalled from the Chicago Fed cash facility tour Average American cash on hand: about $430 - Bullough contrasts this with the much larger amount of cash in circulation per person Cash per person in the US: over $7,000 per man, woman, and child - Used to show that circulation far exceeds ordinary household use Mexico cash smuggling: $20 billion to $25 billion annually - Bullough estimates cash smuggled into Mexico by cartels Danske Bank allegation: about $130 billion - Example of suspicious flows through a regulated financial institution over several years Trade-based money laundering estimate: about $1 trillion a year - Estimate from Global Financial Integrity cited in the conversation Capital outflow limit from China: $50,000 per person per year - Explains demand for underground transfer services UK carousel fraud problem: about €50 billion a year - Bullough’s estimate of the scale after the fraud spread across Europe Cash use in the UK: about 9% of transactions - Bullough’s rough figure for the declining role of cash in daily payments Cash use in the US: about 13% of transactions - Bullough’s rough figure for the declining role of cash in daily payments Banknote printing cost: about 9 cents per $100 bill - Used to illustrate why note issuance seems highly profitable at face value US federal debt: about $40 trillion - Bullough compares this to the interest-free financing effect of circulating cash US debt held in cash form: about $2.5 trillion - Framed as an interest-free loan to the government Singapore high-denomination note: $10,000 bill - Mentioned as an example of a country that eliminated a large bill Former euro high denomination: €500 bill - The note was nicknamed the 'Bin Laden' and later discontinued Chinese highest denomination note: 100 RMB (about $15) - Illustrates how China limits the value embodied in a single note

Pivotal Quotes: "the most widely used estimate is that we're talking about between 2% and 5% of global GDP" — Oliver Bullow: Defines the scale of global money laundering "this is exactly how the Medicis used to bank in the late medieval, early Renaissance Florence" — Oliver Bullow: Compares modern trade-based laundering networks to historical banking methods "the whole idea of an anti-money laundering system is to try and take the profit out of financial crime" — Oliver Bullow: Summarizes the intended purpose of AML policy and why he считает the current system fails

Implications: Listeners should see money laundering as a sprawling global infrastructure problem, not just a banking-compliance issue. Without coordinated reform of cash, trade, and enforcement incentives, criminals will keep adapting faster than regulators.

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About Odd Lots

Bloomberg's Joe Weisenthal and Tracy Alloway analyze the weird patterns, the complex issues and the newest market crazes. Join the conversation every Tuesday and Thursday for interviews with the most interesting minds in finance, economics and markets.

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