... to relevant controls – like size, ownership and location effects – the baseline results withstand alternative empirical specifications and the use of instrumental variables. Originality/value The study helps us understand the role of firm age in its performance, taking into account the presence of risks...

..., the authors have obtained that the interaction between market share and size indicates that as firms have more size are also more inefficient. Design/methodology/approach – In this paper, the stochastic frontier production function is considered, specifically, a panel data version of Battese and Coelli...