E-commerce in agriculture is something new and evolving. As a result, it has not settled into a set of fixed practices. Three major questions are the basis for discussion: (1) Is there any order in the variety of e-commerce practices? (2) What drives the evolution of e-commerce?(3) What are the...

The paper develops a novel approach to account for serially dependent extreme price changes under the assumption that the tail distribution follows the generalized Pareto distribution (GPD). Our approach can 1) detect serial dependence of extreme price changes, and 2) can be applied when...