The purpose of this paper is twofold. First, it investigates the way by which Tunisian service firms make their decision to innovate: simultaneously (one-stage model) or sequentially (two-stage model). Afterwards, once the innovation-making-decision way is selected, the paper analyzes its main...

Innovation is widely recognized as a key driver of economic growth and competitiveness. Previous works dealing with it has specially focused on its effect on the economic performance of innovators. In this context, the literature distinguishes between four kinds of innovation: product, process,...

Poverty analysis often results in the computation of poverty indexes based on so-called poverty lines which can be region specific poverty lines. The poverty lines are made of two components, namely the amount of income to satisfy the food and the non food needs. For both components, one needs...