Qualitative scales formed by linguistic terms are used by different disciplines to determine preferences and different aspects of individuals' lives. Although it is usual to assign numbers to the response categories of scales, it is not suitable when individuals perceive different proximities...

Hierarchical aggregation/disaggregation of time series in order to make forecasts is a frequent challenge in business and econometric scenarios. This work presents a novel approach for selecting an adequate time series disaggregation level as a starting point for making forecasts. The...

The objective of this work is the analysis of the influence that the resources and capabilities of companies in the distribution sector in Spain has to explain productive efficiency as a performance measure (in the period 1997-2006, for a total of 42 sectors of activity a 4-digit NACE). It also...

The aim of this study was to determine the effects of the cooperative ``jigsaw'' method on generic competence-based training by university students. This specifically sought to understand how systemic, instrumental and interpersonal competences are more easily acquired by adopting ``jigsaw'' in...

Control charts are widely used to monitor the quality of industrial processes. It is quite common to assume that the random variable associated to the quality characteristic has a Normal distribution, and the control limits are defined so that the probability of obtaining a false alarm is...

The theory of restrictions (TOC) is a philosophy of continuous improvement, which focuses on the weakest link in the chain, to improve the performance of the production system. The purpose of the research was to determine the quantities to be made of each product and its production sequence in a...

Shrimp sector in Ecuador is nowadays one of the fastest-growing non-oil sectors towards the international market. In despite of this growth, to our knowledge most of the little producers of shrimps in Ecuador take important operational decisions based upon empirical knowledge, without...

In Ecuador the commercial credit acts as a financing source between the small companies, however, exists evidence about the low access and uses of this type of credit by firms belonged to manufacturing sector, furthermore it causes a positive effect on the production of them. In this paper, a...

This article is a supplement to the stock technical analysis and its main objective is to classify 88 companies belonging to the Mexican Stock Exchange. Using principal component analysis (PCA) and linear discriminant analysis (LDA), the input hypothesis is to group companies according to their...

The present article is carried out with the purpose of exposing the reader to the statistical-structural weaknesses that the management indicators or key performance indicators may have -better known as KPIs-, used as measures to quantify the performance of a company or organization, especially...