some of the main findings from the historical view of Brazilian agriculture development. The arguments should rest here on …

assess the sector's productivity gain over time. However, the regional analysis of agricultural productivity still is not … investigated. This work focuses on mapping the gain of agricultural productivity in Brazil in the years 1990-2012 by micro …-region. After an overview of the behavior of productivity in the major regions, will be studied the ten major crops relative to the …

In a recent paper, Bloom et al. (2020) find evidence for a substantial decline in research productivity in the U …