South Dakota Gov. Dennis Daugaard's administration has sponsored print and radio ads and direct mail directed at unhappy executives.

NPR: Do Tax Increases Kill Jobs? Minn. Soon To Find Out

"I can tell you that we are actively working a number of lead prospects from Minnesota, " said Pat Costello, Daugaard's commissioner of economic development, though he wouldn't reveal any.

NPR: Do Tax Increases Kill Jobs? Minn. Soon To Find Out