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This paper aims to analyse the incidence of the implementation of ERP systems on the profitability of the biggest Spanish firms. To reach this objective, we sent a questionnaire to a sample of companies. We also gathered the financial statements of these companies. The main results indicate a significant decrement in the profitability of the companies that implemented an ERP system. The reason for this decrement was a reduction in the profit margin, which was caused by an increase in the operational expenses. The results also suggest that adopting firms manipulated earnings to hide the deterioration of their performance. The profitability of non-ERP firms remained unchanged, so the productivity paradox assumption is not supported. [ABSTRACT FROM AUTHOR]

Innovation is widely recognised as an appropriate 'tool' to gain competitiveness and it is often defined as an idea, process, service, product, etc., that is characterised as being new and commercially accepted. The description of the innovation process as a sequence of tasks is not new; but there is still no easy way to materialise these processes in the industry. Various authors have defined modelling as the most appropriate way to achieve this purpose. This paper compiles and summarises all of the most relevant models published during the last three decades. It also identifies their key factors, which are included in a questionnaire that will be used amongst relevant industrial firms in the Basque country in order to characterise a new innovation model. The originality of this work will be the joint development and validation of a new innovation model, suited to actual needs, flexible and customised to industrial companies. [ABSTRACT FROM AUTHOR]