Paul Krugman: Economics of Innovation, Automation, Safety Nets & UBI | Lex Fridman Podcast #67

Competition in healthcare is hampered because both parties (patients and providers) are often not well-informed, patients cannot always make rational decisions, and the complexity of medical knowledge and services is immense. It's not a market where consumers can easily 'comparison shop' for major procedures.

Krugman suggests looking at metrics like the median family income, the income share of the top 1%, poverty rates, life expectancy, and importantly, life satisfaction. These provide a more nuanced view of a society's health and happiness.

The US safety net is lacking in universal healthcare coverage, adequate support for children, and comprehensive long-term care for the elderly. Krugman highlights the failure to ensure basic healthcare for those who cannot afford it and insufficient support for children with 'wrong parents'.

Yes, by and large, Krugman argues that providing a strong safety net is economically beneficial. It prevents children from being developmentally challenged due to lack of basic necessities, allowing them to reach their full potential as adults, thus preventing society from becoming poorer due to harshness and cruelty.

The 'invisible hand' is a powerful mechanism for organizing economic activity, working well for sectors like agriculture and manufacturing. However, it is not universally applicable and fails in areas like healthcare and education, suggesting a mixed economy with both market mechanisms and government intervention is optimal.

Krugman argues that while automation changes certain jobs (like translators or longshoremen), it's not fundamentally different from past technological shifts. Overall productivity growth has slowed, indicating automation isn't yet causing a massive job loss that surpasses job creation. The narrative often overstates its current impact.

This assumption is popular because current technologies are visible to intellectuals, macroeconomics is non-intuitive (leading people to seek 'big' causes over demand failures), and powerful groups benefit from promoting technological determinism over political factors like declining union power.

A welfare state refers to programs designed to mitigate market risks and injustices, such as Social Security, Medicare, and unemployment benefits. Despite its negative connotations in some political discourse, it's a fundamental part of most advanced societies and has popular support, like Medicare in the US.

Krugman believes UBI is currently less effective than strengthening existing safety net programs like food stamps and Earned Income Tax Credits. He sees UBI as potentially too expensive or insufficient to live on, and its strong association with the 'robots taking all jobs' narrative, which he disputes.

Economics is a complex system where controlled experiments are rare, making it less like quantum mechanics. However, 'natural experiments' and historical data, especially with modern data-driven economists, allow for testing rival doctrines and identifying trends, though precise prediction remains challenging.

The discussion is contaminated by political values. Conservatives often oppose government spending (except military) fearing 'big government,' while liberals may favor it to demonstrate government competence. This ideological divide hinders purely technocratic decisions about vital investments like infrastructure and research.

International trade is complex due to numerous players and multi-stage production processes. While beneficial overall, it significantly impacts income distribution within countries. Issues with China, like intellectual property theft, are distinct from trade wars, which are often based on flawed notions of imports and exports.