It turns out a VAT - a value-added tax - is a very easy tax to collect and a very hard tax to evade. It's a really good idea. It was invented about 60 years ago in France, of course. Because they're so good at taxing. They had a business tax that was easy to evade, and the head of the French IRS invented this value-added tax, which is very hard to evade.

When it comes to taxation, Americans are still banging out letters on a typewriter and dropping them in the mail box while everybody else has moved on to texting and Instagram.

You also get a deduction in America for taking a night school course, growing sugarcane, moving to a new city for a job, replanting a forest, insulating the attic, destroying old farm equipment, employing Native Americans, commuting to work by bicycle - but only if the bike is regularly used for a substantial portion of travel - or buying a plug-in hybrid sports car, or buying a recreational vehicle. I mean there are hundreds of them, and most of them are nuts.

If you get rid of all these giveaways and loopholes and deductions and credits, then you can sharply lower the rates.

The Value-Added Tax, a sales tax that applies at every level of business transactions, is an easy tax for governments to collect, and a hard tax to evade.

The Value-Added Tax, a sales tax that applies at every level of business transactions, is an easy tax for governments to collect, and a hard tax to evade. So it makes the job of raising revenue easier. The revenues from the VAT can then be used to lower taxes on income and saving and investment. The Value-Added tax doesn't penalize work or saving; it's a tax on buying stuff.

We cut tax exemptions in 1986, it was the most admired tax reform in U.S. history. Congress and the president worked together then to eliminate scores of loopholes and exemptions and deductions; this made taxes much simpler, and allowed a major cut in tax rates.