Selection logging in the tropics is increasingly moving to systems that reduce the impact of harvesting operations on forests and soils. While much of the focus has been on modifying the tractor logging system using RIL principles, alternative harvesting systems have also been introduced. One of...

Several different New Zealand economic models produce measures of rural economic activity that have greenhouse gas implications. For climate change analysis, models need to translate economic activity into greenhouse gas emissions. This document estimates functions and creates projections for...

As barreiras comerciais protegem as economias da concorrência internacional, mas distorcem as relações comerciais entre elas, e reduzem os benefícios que poderiam advir dos acordos de livre comércio. O objetivo deste trabalho é avaliar os impactos da criação da ALCA, com desgravação...