That is the topic of my latest Bloomberg column, here is one excerpt:
The conservative and fiscal conservative response has been no more coherent. On one hand, conservatives like to boast of the power of economic growth. But if, as they often assume, the economy is going to keep growing strongly, a widening budget deficit may well prove manageable. Interest rates have been low, and even falling over the past year, while economic growth has been running over 2%. If it continues to exceed the government’s inflation-adjusted borrowing rate (currently negative for T-Bills and close to zero for longer maturities), the U.S. will be able to grow out of its debt. Under this scenario Trump will look like a genius, and the fiscal conservatives will continue their slide into irrelevance.
You might argue that the problem is government spending, rather than budget deficits per se. But the U.S. can in essence pull in more resources from abroad, finance greater spending and consumption with additional borrowing, and still pay off its bills in orderly fashion without bankrupting the future. Our grandchildren can inherit both the debt and the government bonds.
In my experience, fiscal conservatives hate this argument. But through the term structure of interest rates, markets are forecasting low rates for at least the next 10 years, and conservatives tend to respect market prices. To be against the budget deal is also to go against the markets’ current message that debt service costs will remain low.
There are twists and turns in the piece, and just about everyone gets whacked, so don’t judge the final message by that excerpt alone.