Eliseu Alves

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We define and model research production at Embrapa, the major Brazilian institution responsible for applied agricultural research. The main theoretical framework we use is Data Envelopment Analysis – DEA. We explore the economic interpretation of these models to assess scale, congestion and cost efficiencies. We use efficiency results to test for(More)
Ensuring food security for the worlds population over the coming decades will face the challenges of a larger world population, greater urbanization, limited natural resources, higher levels of income, and stronger links between the agricultural and biofuel markets. Overcoming the challenges these represent will require, among other efforts, promoting(More)
We live essentially in a technological world in which technology facilitates and promotes the development of institutions and people that work or study. Thus, it is argued that technology meets people's needs, taking into account their objectives, interests and learning styles. In this article, with a perspective to improve teaching and learning, beyond the(More)
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