On the other hand, in the same line of text (pg.
Besides, the authors must define better the data how the agricultural labor productivity was calculated. The agricultural output is in current or constant prices? This could have strong implications in one case or another, especially in the first case. The context of this paper consists in growing agricultural prices, especially in the second half of this decade in the world panorama. So, if the agricultural output is in current prices, the growing prices will affect deeply the results. It must be clearer.