The looming end of the federal tax credit sent EV sales soaring and prices falling. Here’s what could come next.

How much can one small methodological change cost the economy? According to Indrek Saul, the "price tag" of the Estonian ...

Learn the essential rules for using Excel Copilot effectively, maximizing its strengths while avoiding critical errors in ...

Take our quiz to see if you can get it right, bust common tax myths, and get clear on how federal income taxes work.

In our Ask the Editor round-up, Joy Taylor, The Kiplinger Tax Letter Editor, answers questions on the new tax deduction for ...

After the launch of other aids in its spreadsheet software, Google says Gemini will finally be used to suggest formulas, explain how they work, and why they fail, providing step-by-step explanations ...