In this paper, a socially responsible supply chain consisting of one supplier and one retailer is proposed. The supplier decides on replenishment cycle multiplier and the retailer invests in corporate social responsibility (CSR) and decides on the order-up-to-level under a periodic review replenishment policy. The retailer’s decisions impact on the supplier’s probability as well as the supply c...

Feed is one of the factors which play an important role in determining a successful development of an aquaculture industry. It is always critical to produce the best aquaculture diet at a minimum cost in order to trim down the operational cost and gain more profit. However, the feed mix problem becomes increasingly difficult since many issues need to be considered simultaneously. Thus, the purp...

cost by considering earnings quality for accepted companies in Tehran StockExchange. This survey investigates a population of 76 companies during the timeperiod of 2009-2014. The results show that under high earnings quality, the marketrisk factor, the book risk to market factor, and the size risk factor have positiveeffects, and the profit risk factor has negative effects on shareholders equit...

This study analyzes the role of economic indicators in country-level innovation, represented by patents in the technology sector. Innovation indicators include the ratio of patents owned by foreign residents and the number of patent applications in each industry in the technology sector. Economic indicators include GDP, gross national income, labor cost, R&D expenditure, real minimum wage, tax ...

When asked about the impact of unit manufacturing cost reductions on total gross profit, many managers and academics assume that returns will be diminishing, i.e., that the first dollar of unit cost reduction will generate more incremental gross profit than the last dollar of unit cost savings, consistent with economic intuition about diminishing returns. The present note shows why total profit...

In this paper, the Shuffled Frog Leaping Algorithm is proposed to solve the Profit Based Unit Commitment problem under deregulated environment with emission limitation. The bi-objective function optimization problem is formulated as a maximization of the Generation Companies profit and a minimization of the emission output of the thermal units, while all of the constrains should be satisfied. T...