this study was designed to determine the effects of dietary replacement of fish oil with canola oil ongrowth performance, feed efficiency of body and economic indices of experimental diets of juvenilecommon carp (cyprinus carpio). during the experiment 270 juvenile fish with an average initialweight of 16.24 ± 0.10g were randomly distributed in 18 well aerated cylindrical polyethylene tanks(15 ...

One of the serious issues that China faces during its fast economic development is the low input–output efficiency of water and energy resources and growing water pollution. With the current economic development model of China, economic growth still requires large input of water resource and energy resource. This paper has focused on the total factor efficiency of water resource and energy reso...

the study investigates the impact of taxation on the nigerian economy for the period 1994 -2012.the dependent variables used in the model includes: gross domestic product (gdp) as a parameter for measuring economic growth, inflation and unemployment. the objective is this study is to determine how taxation affects these macroeconomic variables. to avoid spurious results, the data set collected ...