This paper investigates a purchasing contract with options under capital constraint and credit support from a financial institution. The buyer, who has limited capital, can buy commodity options and a fixed order, and choose to exercise all or part of the options at a later time. We characterize...

Many companies are facing the challenges of dynamic market and capital shortage. To overcome these challenges, we examine the case in which the company develops early sales strategy that entices customers to commit to their orders at a discount price prior to the selling season. The time between...

The present study investigated the impact of core self-evaluations on job satisfaction, with a primary focus on confirmation of the mediator role of career commitment. Three hundred and twelve male soldiers completed the Core Self-Evaluations Scale, the Minnesota Satisfaction Questionnaire, and...

Renewable energy policy evolution of the BRICs is analyzed and assessed quantitatively based on the Bai and Perron’ s structure breaks test. Results indicate no break for time series of renewable production in Russia, while series of renewable production and consumption are characterized as...

This paper analyzes the trade-off between (demand) substitution costs and (production) changeover costs in a discrete-time production-inventory setting using a two-product dynamic lot-sizing model with changeover, inventory carrying, and substitution costs. We first show that the problem is...

This essay develops a rational choice model of democratic transitions. The model is pivoted upon wealth redistribution policies preferred by the government and the citizen. The four theoretical propositions derived of the model indicate that the transition to democracy depends on the level of...

This paper investigates and identifies the probable supply chain related risks in Ghana agricultural supply chain and further seeks the severity of these risks based on engineering judgments and historical records. In addition, this paper probes into participants¡¯ ability level to...