Purpose: This research aims to determine an optimal plan for product development process. The developed product is a sustainable product with an agile concept. Mathematical models are involved to determine the optimal value of the number of product ideas and it is profits. The mathematical model...

This study investigates efficient and strategy‐proof mechanisms for allocating indivisible goods under constraints. First, we examine a setting without endowments. In this setting, we introduce a class of constraints-ordered accessibility-for which the serial dictatorship (SD) mechanism is...