commercracy
control of the activity of buying and selling
Commerce is defined as "the activity of buying and selling, especially on a large scale" (Oxford Dictionary).
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Commerce
-cracy is the "word-forming element forming nouns meaning "rule or government by," from French -cratie or directly from Medieval Latin -cratia, from Greek -kratia "power, might; rule, sway; power over; a power, authority," from kratos "strength," from PIE *kre-tes- "power, strength," (Online Etymology Dictionary)
Commerce is defined as "the activity of buying and selling, especially on a large scale" (Oxford Dictionary).
&
Commerce
-cracy is the "word-forming element forming nouns meaning "rule or government by," from French -cratie or directly from Medieval Latin -cratia, from Greek -kratia "power, might; rule, sway; power over; a power, authority," from kratos "strength," from PIE *kre-tes- "power, strength," (Online Etymology Dictionary)
Commercracy is not new but is not known well in common usage.