In this paper, we investigate three problems concerning the toric ideal associated to a matroid. Firstly, we list all matroids M such that its corresponding toric ideal IM is a complete intersection. Secondly, we handle the problem of detecting minors of a matroidM from a minimal set of binomial generators of IM. In particular, given a minimal set of binomial generators of IM we provide a neces...

Guaranteed Annuity Options (GAOs) are options available to holders of certain pension policies. Under these contracts, policyholders contribute premiums into a fund managed by the insurer. At retirement, the policyholders buy life annuities at a guaranteed rate provided by the original insurer, or annuitize with another insurer. If the guaranteed annuity rates are better than the prevailing rat...

In this paper we study different algorithms for reflected backward stochastic differential equations (BSDE in short) with two continuous barriers based on binomial tree framework. We introduce numerical algorithms by penalization method and reflected method respectively. In the end simulation results are also presented.

We consider a strategic online social network that controls information flows between agents in a social learning setting. Agents on the network select among products of competing firms of unknown quality. The network sells advertising to firms. We consider display advertising, which is standard firm-to-consumer advertising, and social advertising, in which agents who purchased that firm’s prod...

A large amount of research in advertising utilizes theories from other disciplines and simply uses an advertising message as a stimulus or focal content topic. The actual elements that make advertising unique are often ignored in this work. It is proposed here that advertising theory and research needs to become more focused on what makes advertising a distinct phenomenon and these elements nee...

BACKGROUND The prevalence of overweight and obesity is a rapidly growing threat to public health in both Morocco and Tunisia, where it is reaching similar proportions to high-income countries. Despite this, a national strategy for obesity does not exist in either country. The aim of this study was to explore the views of key stakeholders towards a range of policies to prevent obesity, and thus ...

the purpose of this study was to investigate the attitudes of managers in private companies towards sport sponsorship as an advertising tool. the method of this study was descriptive and survey and it was practical. the statistical population of research included all chief managers (executive officers, financial officers or sales officers) of private large productive companies in esfahan that w...

this paper investigates the effects of advertising, profitability, concentration and research & development on the market share of iranian great food and beverage industries during the period of 2000-2011. for this purpose, we used the more than 50 employee's statistics of industrial 4- digit firms and panel data technique for estimating the model. the main results of this paper reveal that, th...

Auction theory analyses market designs by assuming all players are fully rational. In this paper we study behavior of bidders in an experimental launch of a new advertising auction platform by Zillow, as Zillow switched from negotiated contracts to using auctions in several geographically isolated markets. A unique feature of this experiment is that the bidders in this market are local real est...