“…As a proxy for domestic competition, we use a concentration measure, the Herfindahl index, which is widely used in the published literature (Baghdasaryan & La Cour, ; Cherchye & Verriest, ; Valta, ; Xu, ). For foreign competition, although not explored as widely as domestic competition, a handful of the existing studies have used proxies such as import penetration, tariffs, the number of foreign competitors in the domestic market and subjective responses of respondents’ assessment of foreign competition (Baghdasaryan & La Cour, ; Gorodnichenko, Svejnar, & Terrell, ; Kostevc, ). However, measures such as import penetration and the number of foreign competitors in the domestic market do not capture foreign competition prevailing in the foreign market.…”