The objective of this study has been to develop a typical specification of the Almost Ideal Demand System (AIDS) for Iran’s composition of imports including capital, intermediate and consumer goods. Accordingly, we first test the hypotheses that import demand is homothetic, homogeneous, symmetric, and depends on domestic prices. Then, we estimate the long-run elasticities of the composition o...

Abstract Multivariate Bayesian linear regression (MBLR) is a popular statistical tool with many applications in variety of scientific fields. However, shortcoming potential model over-complexity, as the assumes that all responses depend on same covariates and errors are mutually pairwise correlated. The class seemingly unrelated (SUR) models generalizes MBLR by allowing for response-specific co...

this paper aims at comparing tax effort in iran with that of 14 developing countries including jordan, algeria, malaysia, congo, nicaragua, india, sri lanka, paraguay, tunisia, peru, venezuela, philippine, and south africa. a tax ratio model is developed for this purpose. seemingly unrelated regression (sur) method and panel data for 1994-2002 periods are utilized to estimate the model. the res...