While falling mortgage rates will improve affordability, the "lock-in effect" for existing homeowners with ultra-low rates will persist. This will suppress the typical sales volume rebound, leading to an anemic 3% growth in purchase volumes, a historically tepid response to improved affordability conditions.

A significant policy divergence is expected in Europe. The ECB is forecast to hold rates steady, balancing cyclical growth against structural weaknesses. In contrast, the Bank of England is projected to deliver three cuts, driven by the UK's unique combination of rising unemployment and a rapidly improving inflation outlook.

A common misconception is that Fed rate cuts lower all borrowing costs. However, aggressive short-term cuts can signal future inflation, causing the 10-year Treasury yield to rise. This increases long-term rates for mortgages and corporate debt, counteracting the intended economic stimulus.

While lower mortgage rates typically boost buyer demand, they also reduce the 'lock-in effect' for existing homeowners. This brings more supply to the market, which will likely offset the increased demand and keep home price growth minimal and 'range-bound'.

The US housing market is frozen not by insolvency but because homeowners are locked into low mortgage rates. With transactions at crisis-era lows but driven by non-discretionary events like death and divorce, pent-up demand creates a "coiled spring" scenario for when rates ease.

A recent behavioral shift shows households are using extra cash, like tax refunds, to pay down debt rather than increase spending. This deleveraging due to affordability concerns means that any new government stimulus would likely have a much smaller effect on economic growth than historical models would predict.

Fed rate cuts primarily lower short-term yields. If long-term yields remain high or rise, this steepens the curve. Because mortgage rates track these longer yields, they can actually increase, creating a headwind for housing affordability despite an easing monetary policy.

The gap between existing mortgage rates (under 4.25%) and new rates (over 6.25%) is over 200 basis points. This spread, which disincentivizes homeowners from selling, has persisted for three consecutive years. Historically, the gap only exceeded 100 basis points for a total of eight quarters over the past four decades, making the current situation a major anomaly.

A key reason the U.S. avoided a recession is its mortgage structure. With 64% of U.S. mortgages fixed at 3.5% or lower, consumers were shielded from rate hikes that crippled European households, where over 80% of mortgages are floating-rate, thereby sustaining consumer spending.