Joint with NBB, UMons, KULeuven, UCL, UGent, ULB, UA, UHasselt and ULg
Romain Duval, IMF
IMF World Economic Outlook – Chapter 2– The rise of corporate market power and its macroeconomic implications
Abstract : This chapter investigates whether corporate market power has increased and, if so, its macroeconomic implications. The three main takeaways from broad analysis of cross-country firm-level patterns are that (1) market power has increased moderately across advanced economies, as indicated by firms’ price markups over marginal costs rising by close to 8 percent since 2000, but not in emerging market economies; (2) the increase has been fairly widespread across advanced economies and industries, but within them it has been concentrated among a small fraction of dynamic—more productive and innovative—firms; and (3) although the overall macroeconomic implications have been modest so far, further increases in the market power of these already powerful firms could weaken investment, deter innovation, reduce labor income shares, and make it more difficult for monetary policy to stabilize output. Even as rising corporate market power seems so far more reflective of “winner-takes-most” by more productive and innovative firms than of weaker pro-competition policies, its challenging macroeconomic implications call for reforms that keep future market competition strong.
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