Productivity growth, technical progress and efficiency change in Spanish retail trade (1995-2004): a disaggregated sectoral analysis

This article analyses productivity growth in Spanish retail stores during the period 1995-2004. It is also interested in analysing the influence of regulation/deregulation processes on the efficiency and productivity of the firms. The analysis is carried out from a disaggregated sectoral perspective at the 4-digit NACE code level. The non-parametric Data Envelopment Analysis approach is used to compute Malmquist productivity indexes. These are decomposed into efficiency change and technical change. Big differences are found in the productivity growth for each sector. First, six retail sectors experienced positive productivity growth, while six saw productivity growth decrease. Second, most sectors experienced technical progress. Third, some sectors improved their efficiency, while others became less efficient. Fourth, the TFP improvements were almost entirely due to technical progress, and only four sectors improved their efficiency. The findings obtained from the analysis of the deregulation of opening hours show two important facts: (i) the differences in the productivity and the efficiency of the firms between sectors, and (ii) the losses /improvements of efficiency of the firms in relation to the effects of the shop opening hours or the lack of adaptation to the environment.