The central macro question is no longer whether the Federal Reserve can cut rates, but whether Washington will let monetary policy work. After the most aggressive tightening cycle in four decades, the US economy has remained resilient partly because fiscal policy never really left crisis mode: large deficits, industrial subsidies, defense spending, and income support have kept nominal demand stronger than the Fed would prefer. That tension matters for Treasury yields, mortgage rates, credit spreads, bank balance sheets, and risk assets from equities to Bitcoin.
The clean textbook answer is simple: central banks stabilize inflation and fiscal authorities handle distribution, investment, and automatic stabilizers. The market answer is messier. When the US runs deficits near 6 percent of GDP at unemployment below 4.5 percent, the bond market starts pricing not just growth and inflation, but political capacity. The question is not fiscal versus monetary policy in the abstract. It is who should carry the load when inflation is above target, debt service is rising, and voters are exhausted by the cost of living shock.
Monetary policy is a brake, not an engine
The Fed has one powerful instrument: the price of overnight money. By lifting the federal funds rate to the 5.25 percent to 5.50 percent range and shrinking its balance sheet, the central bank transmitted restraint through mortgages, auto loans, bank credit, and equity valuations. The 30-year mortgage rate moving from roughly 3 percent in 2021 to around 7 percent in 2024 did more to freeze housing turnover than any fiscal housing program could have done in the opposite direction.
But monetary policy is blunt. Higher rates can slow hiring, reduce leverage, and lower asset multiples, but they cannot increase apartment supply in Phoenix, accelerate grid permitting in Texas, or reduce shipping risk in the Red Sea. If inflation is driven by housing shortages, energy geopolitics, defense rearmament, and labor-market frictions, the Fed can only suppress demand until it fits constrained supply. That is effective, but economically expensive.
The yield curve has been signaling this tension for nearly two years. The 2-year Treasury yield has mostly reflected Fed credibility, while the 10-year has increasingly reflected term premium, fiscal supply, and inflation uncertainty. A persistently inverted curve is not just a recession warning; it is a message that monetary policy is tight at the front end while the long end is demanding compensation for a heavier Treasury issuance calendar and less reliable disinflation.
Fiscal policy is doing too much demand management
Fiscal policy was indispensable in 2020 and 2021. Without emergency transfers, expanded unemployment insurance, Paycheck Protection Program lending, and state aid, the pandemic recession would have been deeper and socially more damaging. The problem is that emergency fiscal reflexes became politically easier than normal budgeting. The Congressional Budget Office projected a fiscal 2024 deficit near $1.9 trillion, roughly 6.7 percent of GDP, with debt held by the public close to 99 percent of GDP.
Those numbers are unusual for an economy not in a declared recession or major conventional war. The United States has historically run deficits of that size during downturns, not during periods of solid nominal GDP growth and low unemployment. That means fiscal policy is adding demand at the same time the Fed is trying to restrain it. The result is a policy mix that leans on households and rate-sensitive sectors while protecting politically favored spending lines.
Net interest expense is now the binding constraint. CBO estimates put federal net interest outlays near $900 billion in fiscal 2024, competing with defense and Medicare as one of the largest budget categories. This changes the macro regime. In the 2010s, low rates allowed fiscal expansion without immediate market discipline. In the 2020s, every additional dollar of borrowing arrives in a market where the marginal buyer demands yield, particularly with the Fed no longer absorbing duration through quantitative easing.
The right division of labor: Fed guards inflation, Congress expands supply
The Fed should not carry the full economic load because it cannot choose the composition of adjustment. Rate hikes hit first-time homebuyers, small firms, regional banks, and long-duration technology assets hardest. They do not distinguish between speculative demand and productive investment. Congress and the White House, by contrast, can target supply-side bottlenecks: housing permits, energy infrastructure, semiconductor capacity, port resilience, childcare, and workforce participation.
A better policy mix would keep monetary policy focused on inflation expectations while shifting fiscal policy from broad demand support to productivity-enhancing investment. The distinction is critical. Sending untargeted checks into a supply-constrained economy is inflationary. Accelerating transmission lines, increasing housing density near job centers, funding apprenticeships, and improving permitting timelines can be disinflationary over time because they raise the economy's speed limit.
Industrial policy complicates the picture. The CHIPS and Science Act and the Inflation Reduction Act are strategically defensible in a world of US-China technology competition, Russian energy weaponization, and fragile supply chains. But subsidies are not free macro lunch. If implemented during a tight labor market without offsetting savings, they raise construction wages, increase demand for materials, and add to deficits before new capacity arrives. Fiscal policy should prioritize sequencing: spend where supply relief is fastest, and offset where benefits are slow.
Global politics are forcing a bigger fiscal role
Geopolitical risk is shifting the burden toward fiscal authorities whether markets like it or not. NATO members are moving toward higher defense spending, energy security is no longer optional after Russia's invasion of Ukraine, and the US is investing in domestic semiconductor and battery supply chains to reduce dependence on China. These are not problems the Fed can solve with a 25 basis point move.
That said, geopolitics does not repeal arithmetic. A world of higher defense outlays, climate adaptation, aging populations, and supply-chain redundancy implies larger public investment needs. If governments finance all of it through deficits, the likely outcome is a higher neutral rate, steeper yield curves, and more competition between public borrowing and private capital formation. That is the classic crowding-out channel, now returning after a decade in hibernation.
For markets, this means the old post-2008 playbook is less reliable. In the quantitative easing era, weak growth usually meant lower yields and higher valuation multiples. In a fiscal-heavy regime, weak growth can coexist with sticky long-term yields if investors worry about issuance, inflation risk, or currency debasement. That is why gold, energy equities, and Bitcoin can rally alongside high real rates when investors are hedging fiscal credibility rather than simply chasing liquidity.
What investors should watch in the policy mix
The most important market signal is not the Fed's next meeting alone; it is whether fiscal impulse is reinforcing or offsetting monetary policy. If Congress keeps deficits wide while the labor market remains firm, the Fed may have to hold real rates higher for longer. That supports the dollar and front-end yields, but it pressures housing, commercial real estate, regional banks, and highly leveraged credit.
If fiscal policy tightens too abruptly, the opposite risk emerges. A sharp withdrawal of public demand would expose private-sector fragility that higher rates have masked: rising credit-card delinquencies, pressure on lower-income consumers, and weaker small-business hiring. In that scenario, the curve would likely bull steepen, credit spreads would widen, and risk assets would trade less on inflation relief and more on earnings deterioration.
Investors should track five indicators for a cleaner read on who is carrying the load:
- Term premium: A rising 10-year term premium signals concern about Treasury supply, inflation uncertainty, or fiscal credibility.
- Primary deficit: Excluding interest costs shows whether elected officials are adding demand or merely paying for past borrowing.
- Housing supply: Permits, completions, and vacancy rates matter more for shelter inflation than Fed speeches.
- Labor participation: Immigration, childcare, and retirement trends determine whether growth can continue without wage inflation.
- Energy and shipping costs: Oil, diesel, insurance rates, and freight disruptions are fiscal and geopolitical variables before they become CPI variables.
Crypto adds a useful liquidity lens. Bitcoin trading near $63,501 with a 2.75 percent 24-hour gain and Ether near $1,783 with a 2.44 percent gain suggest risk appetite can revive quickly when investors anticipate easier financial conditions. But digital assets remain highly sensitive to real yields and dollar liquidity. A fiscal regime that keeps long yields elevated while the Fed delays cuts is less supportive than a classic monetary easing cycle.
The answer: monetary restraint, fiscal discipline, supply ambition
The Fed should carry the inflation credibility load, but it should not be asked to carry the entire economy. Monetary policy is best used to anchor expectations and prevent a wage-price spiral. Fiscal policy should carry the structural load: expanding supply, improving resilience, and protecting the most vulnerable during downturns. The current problem is that fiscal policy is often doing broad demand support while underdelivering on supply reform.
The optimal mix is not austerity. It is discipline. That means reducing untargeted transfers in expansions, reforming tax expenditures, prioritizing investment with measurable supply returns, and allowing automatic stabilizers to work during recessions. It also means accepting that high debt makes policy errors more expensive. When interest expense approaches $1 trillion, fiscal credibility becomes a macro asset, not an accounting preference.
The next cycle will reward governments that can spend less on demand and more on capacity. Countries that pair credible central banks with supply-oriented fiscal policy should enjoy lower risk premia, more stable currencies, and deeper capital markets. Those that force central banks to offset political deficits will face higher volatility in bonds, housing, and risk assets.
The forward-looking conclusion is clear: the Fed can buy time, but only fiscal policy can raise the economy's productive ceiling. If Washington wants lower rates without another inflation episode, it must stop asking monetary policy to clean up after fiscal excess. The economic load should be shared, but the assignments must be precise: the central bank guards the value of money; elected officials determine whether the real economy can grow without overheating.