Purchasing and procurement managers should make informed decisions in selecting materials at the right time, in sufficient quantities, and at affordable prices. Supplier selection and order allocation (SSOA) is a vital aspect of purchasing and procurement processes. In this research, the...

We characterize a monopolist's optimal offer of service plans when only informed customers know already at the contracting stage whether their demand is high or low, while uninformed customers may learn their demand only after incurring some costs, if at all. While informed customers purchase...

Research Questions: Are the effects of productive leadership on individual working performance higher than the effects of pay-for-performance programs? Methods: Empirical study using survey to evaluate the correlation between individual working perfor-mance of employees, pay-for- performance...