This contribution provides a way to define and compute a tangency notion of economic capacity based upon the relation between the various directional distance functions and the profit and cost functions using non-parametric technologies. A new result relating profit and cost function-based...

This contribution provides a way to de?ne and compute a tangency notion of economic capacity based upon the relation between the various directional distance functions and the pro?t and cost functions using non-parametric technologies. A new result relating pro?t and cost function-based tangency...