This paper investigates the relationship between the dynamics of price discounts at the dealership level and product efficiency in the Spanish auto market. Using data envelopment analysis (DEA), product efficiency scores are estimated for 2092 different vehicles commercialized during 2010, using...

This article proposes a procedure to incorporate cross-sectional information in the estimation of technical efficiency indexes obtained from panel data. A conventional index of technical efficiency is estimated in a first stage using panel data on inputs and outputs. The individual effects from...

Lanchester equations have been widely used to model combat for many years, nevertheless, one of their most important limitations has been their failure to model the spatial dimension of the problems. Despite the fact that some efforts have been made in order to overcome this drawback, mainly...