Michael Munger on Obedience to the Unenforceable

Episode Summary

Executive Summary: Russ Roberts and Michael Munger unpack Lord Moulton’s 1918/1924 essay “Law and Manners,” arguing that a large middle domain—“obedience to the unenforceable”—is essential to civilization. They connect Moulton’s idea to Adam Smith, Rousseau, Hayek, Montesquieu, the Senate filibuster, jaywalking, cleaning work, and modern norm erosion, warning that over-legalizing behavior can crowd out self-governance and weaken social trust.

Main Topics: Obedience to the unenforceable (Priority: 5/5): The core concept of Moulton’s essay: between hard law and total freedom lies a large realm of behavior governed by self-restraint, duty, propriety, and manners rather than coercion. Self-governance, character, and moral habits (Priority: 5/5): Munger and Roberts frame norms as internalized habits that shape character over time, drawing on Adam Smith, Marcus Aurelius, and Aristotle to explain why people should do the right thing even when unforced. The dangers of over-legislating social life (Priority: 5/5): They argue that turning more conduct into legal rules can destroy flexible norm-based coordination, create blunt and clumsy regulation, and reduce the space for moral judgment and discretion. Institutional design and collective action (Priority: 4/5): The conversation places Moulton in the broader political economy problem of aligning self-interest with the common good through institutions, whether via markets, constitutional design, or moral norms. Examples of norms in practice (Priority: 4/5): They use jaywalking, one-way streets, the Pittsburgh left, Senate debate, and tax compliance to show how informal rules work when respected—and how they fail when exploited. Classical liberalism versus libertinism (Priority: 4/5): Munger distinguishes wanting freedom plus responsibility from wanting freedom to indulge; the ideal is a society where conscience and norms, not police, restrain harmful conduct.

Key Arguments: The central social problem is designing or maintaining institutions so individual self-interest does not conflict with the collective good. There are at least two broad solutions: invisible-hand institutions and moral self-governance; Moulton’s essay highlights the second. The middle domain of unenforceable obligations is crucial because it allows nuanced, context-sensitive behavior that statutes cannot capture. If people treat every permission as a right to exploit, norms collapse and governments respond with heavier, clumsier regulations. Free debate, like the House of Commons or the Senate, depends on participants voluntarily restraining themselves; otherwise debate can be used to destroy debate. Habit formation matters: repeated choices to do the right thing create character, while repeated exceptions corrode it. Good norms can’t easily be legislated into existence; they emerge and are maintained through social approval, propriety, and self-command. Munger warns that moral impulses can backfire if they make others worse off, so non-worseness should guide interventions. Liberty should be paired with responsibility; otherwise the public will demand more coercive rules and lose the virtues that make freedom workable.

Data Points: EconTalk episode count for Michael Munger: 45th appearance - Roberts notes this is Munger’s 45th appearance on EconTalk. Munger’s podcast length: 15–20 minutes - He describes his new podcast, The Answer is Transaction Costs, as a short weekly show. Munger podcast frequency: once a week - He says the new podcast will be released weekly. Favorite episodes list rank: 10th through 1st place ties - Roberts recaps the 2022 listener-voted favorites, including a four-way tie at number 10 and a two-way tie at number 1. EconTalk audio downloads per episode: 100,000 to 120,000+ - Roberts contrasts audio download counts with much lower YouTube views. YouTube views per episode: usually under 1,000 - Roberts says YouTube numbers are not representative of overall audience size. Historical publication year of Atlantic version: 1924 - The speech by Lord Moulton was published in The Atlantic after his death. Estimated speech date: around 1918–1919 - Roberts and Munger infer the speech was delivered near the end of World War I. Senate cloture threshold: 60 votes - Roberts discusses how the modern filibuster effectively requires 60 senators to end debate. Historical Senate majority threshold: 51 percent - They contrast a world of simple majority governance with today’s filibuster-dominated rules. Speed limit example: 55 mph meant 62 mph - Roberts cites the informal norm that driving 58 in a 55 zone was not really considered speeding.

Pivotal Quotes: "It is the domain of obedience to the unenforceable." — Lord Moulton: The defining line of the essay, introducing the middle sphere between law and free choice. "Manners maketh man." — Lord Moulton: The closing idea that manners—broadly understood as self-imposed duty and propriety—help form character. "The answer to every important question and many unimportant questions is transactions cost." — Michael Munger: Munger briefly describes the thesis of his new podcast and recurring analytical lens.

Implications: Listeners are urged to defend the norm-based “middle country” between law and liberty. If self-restraint and courtesy erode, society will replace them with more coercive, less flexible rules—and lose both civility and freedom.