Firms’ market power, measured by markups, has risen substantially and unequally across sectors. To evaluate the implications of these trends for monetary non-neutrality, we develop a quantitative menu cost model that covers multiple sectors with heterogeneous degrees of market competition. Two...

The establishment of independent authorities for monetary policy and for competition policy was part of the institutional consensus of the Great Moderation. The paper contrasts how policy has operated in the two spheres, especially as regards the role of law. It then discusses the application of...