let = be a non-negative matrix. denote by the supremum of those , satisfying the following inequality: where , , and also is increasing, non-negative sequence of real numbers. if we used instead of the purpose of this paper is to establish a hardy type formula for , where is hausdorff matrix and a similar result is also established for where in particular, we apply our results to the cesaro...

In this paper we model the case of an international non-renewable resource monopolist as a dynamic game between a monopolist and  importing countries governments, and investigate whether a tariff on resource imports can be advantageous for consumers in importing countries. We analyze both the case of a price-setting monopolist and the case of a quantity-setting monopolist. We find that a tarif...

 Most debates about the role of tariff cuts on the level of employment and rate of wages in labor market have come out of well-known Hecscher – Ohlin and Stopler – Samuelson (HOS) theorems. Considering the fact that we have divided the workforce into skilled and unskilled labors the present paper assesses the impacts of tariff cuts on labor market indicators in Iran. To address these issues...

Deep trade agreements are widespread and have taken the world beyond tariff liberalization in goods trade. As importance of global supply chains services sector increased across world, shallow reductions gave way to deeper commitments that address non-tariff barriers behind border This paper shows deep agreement increase by 25% for even more services. Taking reduced-form estimates a quantitativ...

Zaccour (2008) investigates the behaviour of a marketing channel where firms invest in advertising to increase brand equity, showing that an exogenous twopart tariff cannot be used to replicate the vertically integrated monopolist’s performance. I revisit the same model proving the existence of a multiplicity of franchising contracts taht can do the job. In particular, I set out by illustrating...