The U.S. Supreme Court decision in the landmark 2018 Wayfair case greatly improved state governments' ability to enforce collection of sales taxes on a destination basis. This has reduced state tax competition with an essentially-untaxed internet, but has brought traditional cross-border...

This paper extends the quantitative estimates of sales tax revenue losses from electronic commerce in a variety of ways. First, we place the effects of e-commerce in the context of general sales tax base trends, arguing that e-commerce is only one of the factors reducing sales tax bases. Second,...