Attacking concentration: market power in the digital space.

Increasing market concentration has become a topical issue in competition law worldwide. This article explores how firms, especially digital platform businesses, increase market concentration which may facilitate entrenched market power and anti-competitive conduct in their upstream or downstream markets. It considers in an Australian context two specific ways in which the power of a dominant firms including digital platforms may be constrained. The first is allowing the parties with lesser market power to collectively bargain, which can redress the imbalance in bargaining power to make the market work more effectively. A second and related option is the introduction of mandatory codes of conduct, which may be suitable in markets where perennial problems with market power imbalances exist. Australian experience suggests that these options can assist markets to function more effectively, and they may provide additional flexibility for other jurisdictions. [ABSTRACT FROM AUTHOR]