In the tussle over whether President Barack Obama or Mitt Romney would be the better steward of the American economy, Barbie Adler has a thing or two to say.

Ms. Adler owns Selective Search Inc., a high-end matchmaking service in Chicago. With 28 offices across the nation, the firm pledges to find the ideal mate for clients paying fees that start at $20,000. Not in four presidential elections has Selective Search seen so much love lost over politics.

In...