An object is moving counter-clockwise along a circle with the centre at the origin. At \(t=0\) the object is at point \(A(0,5)\) and at \(t=2\pi\) it is back to point \(A\) for the first time.

RAFAEL A. CUESTA, JOSÉ L. ZOFÍO, Hyperbolic Efficiency and Parametric Distance Functions: With Application to Spanish Savings Banks, Journal of Productivity Analysis, Vol. 24, No. 1 (September 2005), ...

This is a preview. Log in through your library . Abstract This paper shows how scale efficiency can be measured from an arbitrary parametric hyperbolic distance function with multiple outputs and ...