In the full-page ad in Tuesday's Wall Street Journal, the Michigan Economic Development Corp. said the law has Michigan poised to be a preferred place to do business. Pure Michigan is mentioned in ad, and the logo also is shown.
Critics say the state's popular tourism campaign shouldn't be tied to the contentious law prohibiting requirements that workers pay union dues or fees.
Liberal advocacy group Progress Michigan said it's an inappropriate and partisan misuse of taxpayers' money.
The law takes effect in late March. It's expected to face legal challenges from labor unions.