This paper investigates the effect of environmental innovations on firm profitability with respect to differences between small and medium-sized (SME) and large (LE) enterprises. Using data from the Mannheim Innovation Panel (MIP) 2015, results show that, in general, SME benefit more from...

This paper characterizes environmental regulations which induce polluting Bertrand competitors to invest efficiently in environmental R&D. Post-innovation benefits to raising rivals' costs provide firms with incentives to innovate. Although optimal behavior cannot be elicited with pollution...