Articolo in rivista, 2022, ENG, 10.1177/1536867X221083854

A toolbox for measuring heterogeneity and efficiency using zonotopes

Cococcioni M.; Grazzi M.; Li L.; Ponchio F.

Department of Information Engineering, University of Pisa, Pisa, Italy; Department of Economic Policy, Università Cattolica del Sacro Cuore, Milano, Italy; School of Economics, Guangzhou College of Commerce, Guangzhou, China; CNR-ISTI, Pisa, Italy

In this work, we describe the new command zonotope, which, by resorting to a geometry-based approach, provides a measure of productivity that fully accounts for the existing heterogeneity across firms within the same industry. The method we propose also enables assessment of the extent of multidimensional heterogeneity with applications to fields beyond that of production analysis. Finally, we detail the functioning of the software to perform the related empirical analysis, and we discuss the main computational issues encountered in its development.

The Stata journal 22 (1), pp. 25–59

Keywords

Zonotope, Heterogeneity measures, Stata, ST0001

CNR authors

Ponchio Federico

CNR institutes

ISTI – Istituto di scienza e tecnologie dell'informazione "Alessandro Faedo"