Urban consumption of ecosystems services such as food generates environmental impacts at different geographical scales. In the last few decades Tokyoites have shown an increasing appetite for meat. This study examines the environmental implications of Tokyo’s increasing meat consumption by analyzing how this trend has affected land use and cover change in areas near and far away. Historical dat...

the nigerian rice sector has made remarkable improvement in the last decade as production has increased significantly thereby reducing the gap between domestic supply and demand. in the last three decades, rice imports make up greater proportion of nigerian imports as rice forms a structural component of the nigerian diet. past government inconsistent policies were not successful in securing go...

This paper analyzes the effect of foreign presence on the growth and survival of domestic firms. I separate the two opposing effects that foreign firms are expected to have on domestic firms: a negative “market stealing or crowding out” effect and a positive “technology spillover” effect. Unlike previous studies, however, which analyzed the spillover question by estimating firm production funct...

abstract comparative advantage is an economic term which is used to compare potential and actual production capacity of a country in a given commodity with the rest of the world. therefore, researches in this field could have a dual approach. in one hand it could demonstrate country’s production capacity in the production of commodities that are not produced yet and in the other hand it can ill...

Imports of goods that embody foreign technology can raise a country’s output directly as inputs into production and indirectly through reverse engineering of these goods, contributing to domestic imitation and innovation. This paper quantifies spillovers from high technology imports to domestic imitation and innovation in both developed and developing countries. It then considers the contributi...

Agricultural phosphorus (P) use is intricately linked to food security and water quality. Globalization of agricultural systems and changing diets clearly alter these relationships, yet their specific influence on non-renewable P reserves is less certain. We assessed P fertilizer used for production of food crops, livestock and biofuels in the US agricultural system, explicitly comparing the do...