Krugman, Paul

Nobel Prize-winning economist; professor at CUNY; New York Times columnist

Paul Krugman: Economics of Innovation, Automation, Safety Nets & UBI

Lex Fridman Podcast · Jan 21, 2020

• Paul Krugman
• welfare state
• universal basic income
• automation and jobs
• productivity growth
• minimum wage
• international trade
• healthcare economics
• income inequality
• political discourse

Core ideas

Krugman describes his economic ideal not as a perfect utopia but something like "slightly imaginary Sweden" — a society with a strong safety net, good environmental regulation, and enough material equality that no one falls through the cracks or lives in an entirely different material world from everyone else, while considering total equality neither achievable nor desirable. He frames competition as a genuinely powerful mechanism (citing telecom deregulation and, more poetically, the "invisible hand" that fills supermarkets with fresh produce without any central planner) but argues it fails badly in specific markets like healthcare, invoking Kenneth Arrow's 1963 paper on the preconditions competitive markets require (well-informed parties on both sides of a transaction) — conditions healthcare violates almost entirely, since patients can't meaningfully "comparison shop" for major surgery the way they can for a car. He argues government performs some functions demonstrably better than markets (citing strong public satisfaction with Medicare relative to private insurance, and public education outperforming for-profit alternatives), framing the right balance as roughly "three-quarters invisible hand, one-quarter visible hand" rather than an ideological all-or-nothing stance.

On inequality, Krugman expresses skepticism of the Gini coefficient as a primary metric (it lacks intuitive real-world interpretation) in favor of concrete measures like median family income, poverty rates, life expectancy, and self-reported life satisfaction (noting Denmark and Norway consistently outperform the U.S. on the latter). He argues the U.S. has produced unusual "harshness and brutality" relative to its wealth — being the only advanced country where citizens can fail to get basic healthcare purely due to inability to pay, with comparatively weak support for children and long-term elder care — and argues this isn't merely a justice failure but an economic one too, citing evidence that children who grow up without adequate healthcare and nutrition are developmentally impaired and underperform as adults, making societal harshness self-defeating even in narrow economic terms.

On automation and jobs, Krugman pushes back directly against the now-common assumption that "robots are taking the jobs," arguing this claim isn't supported by productivity data — if automation were displacing workers at an unusual rate, aggregate productivity growth (total output divided by hours worked) should be unusually high, but it's actually been sluggish in recent years compared to the post-WWII boom or the mid-1990s-to-mid-2000s period. He frames current automation anxiety as structurally similar to past labor transitions (the near-total disappearance of longshoremen due to containerization, the shrinking of the farming workforce due to efficiency gains) that were absorbed by the economy without qualitatively different outcomes, arguing there's no evidence in current data for a qualitatively unprecedented shift — while allowing that this could theoretically change if something like an intelligence "singularity" occurred, which he says isn't visible in current trends. He offers a pointed diagnosis for why economists and pundits reflexively blame automation for wage stagnation and inequality: visible, media-adjacent technologies get more attention than boring ones like containerization did; post-2008 macroeconomic failures (a straightforward demand shortfall, in his Keynesian framework) are unintuitive to the public, who prefer a more dramatic explanation; and crucially, attributing wage stagnation to "inevitable" technological forces is politically convenient for those who don't want to acknowledge the actual cause he identifies — deliberate political choices that weakened labor's bargaining power (e.g., the decline of U.S. unions, contrasted with Denmark's roughly two-thirds unionization rate despite facing the same technology and global economy).

On the "welfare state" (a term he deliberately reclaims rather than avoids), Krugman distinguishes universal programs (Social Security, Medicare — dignified, "no questions asked," and politically durable because everyone benefits) from means-tested/targeted programs, and explains his skepticism of universal basic income specifically: UBI's central trade-off is that if set high enough to live on comfortably, it's enormously expensive, and if set low enough to be affordable, it doesn't achieve its stated goal — leading him to favor strengthening existing targeted programs (food stamps, the Earned Income Tax Credit, more comprehensive and longer-lasting unemployment insurance, family support policies) over a universal cash program, a position he says would change if the "robots taking all the jobs" premise underlying much UBI advocacy turned out to be true.

On public discourse, Krugman argues mainstream policy journalism has genuinely improved since he entered punditry (citing his own famous complaint about false-balance reporting — "if one candidate said the earth was flat, the headline would read 'Views Differ on Shape of Planet'" — as somewhat less common now), even as the overall media landscape has fragmented into incompatible information ecosystems. Addressing the notion that both political "sides" deserve equal engagement, he draws a distinction between legitimate disagreement (citing serious center-right economists he considers worth engaging) and what he calls "zombie ideas" — claims repeatedly refuted by evidence that nonetheless persist and command political allegiance (he states bluntly that no such credentialed center-right economists hold influence in the Trump administration, which he says listens primarily to non-mainstream voices) — arguing it would be dishonest to his readers to feign respect for positions with no empirical grounding. He contrasts economics' inherent limits as an experimental science (a complex system where controlled experiments are rare) with genuine "natural experiments," citing the post-2008 divergence between Keynesian predictions (low interest rates and inflation despite monetary/fiscal stimulus; austerity policies causing downturns) and rival theories as a real, empirically resolved test — and cites Chicago Booth's ideologically diverse economist panel surveys as evidence that expert consensus on many questions (e.g., that modest minimum wage increases from current levels don't meaningfully harm employment) is broader than public political discourse suggests, while acknowledging genuine uncertainty remains about, e.g., how high a minimum wage could go before causing real harm.

On innovation and infrastructure, Krugman cites the widely-accepted estimate that 70-80% of long-run per-capita income growth comes from advances in knowledge rather than raw capital accumulation, including "prosaic" (unglamorous) innovations like containerization and the cardboard box, and expresses frustration that the U.S. underinvests in such unglamorous infrastructure (his example: never building an obviously-needed second rail tunnel under the Hudson River) — attributing this to a political "halo effect" dynamic where conservatives resist any government spending expansion (fearing it legitimizes bigger government generally) while liberals sometimes favor such visible spending partly to demonstrate government competence for broader purposes, contaminating what should be a straightforwardly technocratic infrastructure discussion. On international trade, he argues trade between nations works on the same fundamental logic as trade between individuals (mutual gains from specialization and comparative advantage), stresses that trade with China has made both countries richer in aggregate while still concretely harming specific groups (e.g., North Carolina's furniture industry), and characterizes the U.S.-China trade war as driven by a fundamentally mistaken premise (that exports are "good" and imports are "bad") rather than by the trade-related issues he considers legitimate (intellectual property enforcement). Closing on public intellectual life, he describes receiving substantial hate mail as a normal, even expected, part of his NYT column work, says he developed a thick skin over time, and advises writing as if "no one is watching" — focused on getting the substance right rather than being intimidated by backlash — while noting he deliberately didn't enter public commentary until his late 40s, believing the most intellectually flexible years of a career are better spent on deep research than on public controversy.

Excerpts