Not enough tariff revenue to pay for these checks. Another policy if enacted which will worsen federal deficit spending. And the agriculture subsidies will be unfunded by tariffs.

It seems unlikely that there will be sufficient positive return on the enormous level of recent and planned investments in AI. Since these investments constitute up to a third of the free cash flow of the largest capitalized publicly traded firms, a stock valuation correct may be likely. When?

Likely both. How much will AI follow the pattern of the implementation of word processors and PC in workplaces? The work of Zvi Griliches indicated that it took many years before there were noticeable aggregate productivity gains. After two decades, Alan Krueger showed only 10 to 15% improvement.