An outbreak of Rift Valley Fever in East Africa in 1998-2000 led to an export ban by Saudi Arabia and other Gulf countries on livestock products from Ethiopia lasting several years. An evaluation of the costs of the ban on Ethiopia's main exporting region (Somali) and their distribution among...

In this article, the length-biased power hazard rate distribution has introduced and investi-gated several statistical properties. This distribution reports an extension of several prob-ability distributions, namely: exponential, Rayleigh, Weibull, and linear hazard rate. Theprocedure of maximum...

In this article, the length-biased power hazard rate distribution has introduced and investi-gated several statistical properties. This distribution reports an extension of several prob-ability distributions, namely: exponential, Rayleigh, Weibull, and linear hazard rate. Theprocedure of maximum...

Productivity of bean has boosted up in recent decades all over the world. Nevertheless, variation of productivity among farmers caused by input use differences and management practices adoption is found especially in developing countries. This study investigates production risk and technical...