The main purpose of research conducted by the Bundesbank is to develop and consolidate academic expertise in the fields of economics, banking and financial stability. This expertise is reflected in studies, which are published either as papers in leading specialist journals or as part of other analytical studies.
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Firms’ returns to scale: new evidence from European firm-level data© Adobe Stock / LaSa
The advantages or disadvantages firms experience as a result of their size, referred to in the economic literature as returns to scale, are of central importance in many economic models. Increasing returns to scale, whereby unit costs decrease as output volume increases, could explain productivity differences between Europe and the United States. We present fresh evidence on the returns to scale of European firms: most exhibit constant returns to scale, but a non-trivial share also show increasing returns to scale.
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