Josh Hendrickson on Economic Growth, National Defense, and US Monetary Policy

Episode Summary

Executive Summary: David Beckworth and Josh Hendrickson discuss how Milton Friedman’s thinking connects monetary and fiscal policy, arguing Friedman remained fundamentally committed to rule-based monetary dominance and saw central banks as creators of inflation, not mere responders. The conversation then turns to defense, state capacity, and how military preparedness, taxation, and institutions shape economic growth, culminating in a broader framework for understanding crises, deterrence, and preparedness for rare disasters.

Main Topics: Milton Friedman, fiscal-monetary coordination, and rules-based policy (Priority: 5/5): Hendrickson explains that Friedman’s early work on coordinating fiscal and monetary policy was less a departure than an early attempt to constrain policy discretion and reduce volatility through rules. Central banks as inflation creators (Priority: 5/5): Drawing on Robert Hetzel, Hendrickson argues the Fed should be viewed as the source of inflation when policy is too expansionary, not simply as a firefighter reacting to exogenous inflation shocks. Monetary dominance and fiscal offset (Priority: 4/5): The discussion emphasizes Friedman’s view that monetary policy ultimately determines aggregate demand and can offset fiscal actions, making fiscal policy secondary in normal U.S. conditions. State capacity and the evolution of the modern state (Priority: 5/5): Hendrickson frames state capacity as the state’s ability to provide public goods and finance them, linking its historical development to war, consolidation, and selection among competing states. Defense spending, growth, and the adequate-defense constraint (Priority: 5/5): He argues defense is not just a cost but a constraint on economic growth: wealth must be protected or it becomes vulnerable to predation, meaning some defense spending is necessary to preserve prosperity. Policy evolution, the Jones Act, and institutional selection (Priority: 3/5): Hendrickson describes policy as an evolutionary process where successful institutions persist, using the Jones Act and merchant marine subsidies as examples of defense-related policy that can be understood functionally. Preparedness for televents and rare disasters (Priority: 4/5): The conversation closes by applying the same logic to pandemics and other low-probability shocks, arguing economists should better quantify preparedness and design incentives for resilience.

Key Arguments: Friedman’s early fiscal-monetary coordination proposal was not a true shift in worldview; it was an early version of rule-based policy aimed at limiting discretionary mistakes and volatility. Friedman increasingly saw monetary policy as dominant: fiscal policy matters mainly when reinforced by monetary policy; otherwise, monetary policy can offset it. Central banks create inflation when they allow overly expansionary monetary conditions; viewing them only as inflation fighters obscures responsibility and policy discipline. Inflation-targeting frameworks are valuable because they give policymakers feedback; if inflation is above target, policy is too expansionary, and if below target, too contractionary. Nominal GDP targeting can better separate demand-side policy errors from supply shocks because supply disturbances move prices and quantities in offsetting directions. State capacity is not just bureaucratic strength but the ability to provide and finance public goods; historically, war and competition helped build modern states. Defense is a productive constraint: inadequate defense can lower a society’s effective production possibilities frontier because wealth that cannot be protected is unstable or expropriable. Optimal tax policy should reflect the marginal defense cost created by economic activity; wealth accumulation raises the need for defense financing, but some activities may be defense-complementary and deserve lighter taxation or subsidy. The Jones Act and related shipbuilding/merchant marine policies can be understood as defense-related institutional adaptations, even if they are not necessarily optimal. Rare-disaster preparedness can be improved by using economic tools such as subsidies for critical industries and financial pricing of contingent claims on emergency outcomes.

Data Points: Podcast survey link: Short survey mentioned in opening remarks - Listeners were asked to provide feedback in the show notes Mercatus Friedman symposium essays: 5 essays mentioned - Included pieces by Peter Ireland, Julius Probst, Pat Horan, Scott Sumner, and David Beckworth Current U.S. defense spending share of GDP: about 4% - Cited in discussion of how defense spending has declined relative to GDP Korean War defense spending share of GDP: 13% - Used as historical comparison for U.S. defense effort Vietnam War defense spending share of GDP: up to 9% - Used as historical comparison for U.S. defense effort Reagan-era defense spending share of GDP: 6% to 7% - Used as historical comparison for U.S. defense effort Biden defense budget proposal: $815 billion - Referenced in the discussion of current defense budget politics Mercatus policy brief year: 2020 - Referenced Hendrickson’s brief on the coronavirus and preparedness Jones Act policy discussion: No numeric value stated - Referenced as an example of defense-linked policy and merchant marine subsidy Milton Friedman AER paper year: 1948 - Referenced as the paper Hendrickson uses to interpret Friedman’s early thinking

Pivotal Quotes: "Central banks are inflation creators, not inflation fighters." — Josh Hendrickson: Summarizing the core argument of his policy brief and his view of monetary responsibility "The Fed in reality is more of the arsonists." — Josh Hendrickson: Explaining Robert Hetzel’s framing that the central bank causes inflation through overly expansionary policy "We can't just think about moving along a production possibilities frontier. What's actually happening here is that choice is determining not only where you are on that frontier, but where that frontier is located." — Josh Hendrickson: Describing how defense policy can alter long-run economic capacity, not just allocate resources within a fixed economy

Implications: The episode pushes listeners to see inflation, defense, and preparedness through a rules-and-incentives lens: policy should be judged by the institutions it creates, the constraints it relaxes or tightens, and its long-run effects on growth, resilience, and stability.