Using a new administrative dataset, we provide fresh micro-level evidence on firms’ returns to scale (RTS). We employ a new administrative database, iBACH, which contains extensive high-quality annual balance sheet, financial, and demographic information on more than two million non-financial...

Economists often model the delicate relationship between production, innovation, and economic growth as a production function that exhibits increasing returns to scale (IRS). The existence of "knowledge spillovers" or "learning by doing" often implies conclusions about the optimal use of...

This paper argues that the conventional definition of the elasticity of complementarity is not well suited to deal with the case of increasing returns. It proposes a slightly different formula, that uses a distance function formulation instead of a production function. The proposed definition...