Data on 17348 weaning weight records from a beef cattle crossbreeding operation were used to determine the effect of outliers on regression coefficients. Different criteria were used for detecting potential influential points. Eliminating a small number (932 or 5.4%) influential points resulted in the improvement of the model fitted. The R values increased from 41% to 49% while the mean square ...

Digital trade is an important part of today’s world economy, and the resulting issue digital restrictions has become focus attention in international negotiations. Studying influential factors can help to understand inherent reasons for differences policies across countries. From perspective political this paper establishes a government objective function that pays special welfare trade-related...