D2U1O1P3O1L1I1E1S1
12 points
DUOPOLIES is validvalid
DUOPOLY, the market condition existing when there are two sellers only [n]
DUOPOLY, the market condition when there are two sellers only [n]
DUOPOLY, the market condition existing when there are two sellers only [n]
DUOPOLY, the market condition when there are two sellers only [n]