This study presents an empirical test of the relationship between market concentration and new product introductions. The analysis uses an annual panel data set of the US processed food industry that spans across the period 1983 to 2004. The estimations depict that market concentration increases...

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...