A craft-beer bar with prices that fluctuate with supply and demand is planned for downtown Detroit, Crain's Detroit Business reports.

The owner of the Kalamazoo Beer Exchange, where beer costs move up and down like stock prices, "now plans to open a Detroit Beer Exchange" at 1258 Washington Blvd., in the Stevens Building, according to Crain's. Matt Anspach, manager at the Beer Exchange, told the Free Press on Wednesday that there are plans to expand to Detroit, but said he didn't have specifics on the timing or location.

The Kalamazoo bar and restaurant opened in 2010, with 28 taps and prices that change up-to-the-minute as well as occasional "crashes" that for five minutes bring every beer to its lowest price — such as $2.50 for a Bell's Oberon or $1.50 for a Miller High Life, the Lansing State Journal reported in 2017. Previous plans by the owner, James Flora, to open such a bar in Lansing didn't work out.

In Birmingham, the Dow offers a similar experience, with beer prices fluctuating every 15 minutes with supply and demand. It opened in 2017 at 160 W. Maple Road, behind Dick O'Dow's.

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Spirits of Detroit columnist Robert Allen covers craft alcohol for the Free Press. Contact him: rallen@freepress.com and on Untappd, raDetroit and Twitter, @rallenMI and @SpiritsofDET.