“…To produce each intermediate good, there is a continuum of technologies with different fixed and marginal costs indexed by a number 𝑛 ∈ 𝑅 (Zhou, 2004(Zhou, , 2009(Zhou, , 2019(Zhou, , 2021Ma, Wang, and Zeng, 2015;Wen and Zhou, 2020). For technology 𝑛, fixed costs in terms of labor used are 𝑓(𝑛) and marginal cost in terms of labor used is 𝛽(𝑛) .…”