Firm and sectoral heterogeneity in markup variability

Heterogeneity and development: An agenda

“…Finally, Tamminen and Chang (2013) challenge the homogeneous mark-up assumption that is customarily made in theoretical contributions. They show for Finland (an open and advanced economy) in the years 2005-2009 that substantial heterogeneity exists with respect to the mark-up of prices over (marginal) costs (both within sectors and regarding internationalisation and firm size).…”

Firm heterogeneity and the aggregate labour share

“…The availability of firm-level data has allowed researchers to assess the dispersion of product market power -see among other De Loecker and Warzynski (2012) for the US, Tamminen and Chang (2013) for Finland, Forlani et al (2016) for Belgium. The general agreement is that product market power has increased and has become more dispersed among firms (Epifani and Gancia, 2011;.…”

Firm Heterogeneity and the Aggregate Labour Share

“…The availability of firm-level data has allowed researchers to assess the dispersion of product market power -see among other De Loecker and Warzynski (2012) for the US, Tamminen and Chang (2013) for Finland, Forlani et al (2016) for Belgium. The general agreement is that product market power has increased and has become more dispersed among firms (Epifani and Gancia, 2011;.…”