An integrated production–recycling system is investigated. A constant demand can be satisfied by production and recycling. The used items might be bought back and then recycled. The not recycled products are disposed off. Two types of models are analyzed. The first model examines and minimizes...

The paper focuses on the development of buyer – supplier relationships over time. Although there is an ongoing debate about the nature and characteristics of relationship life cycle, the existence of some kind of life cycle is usually assumed when timely development of these relationships is...

A kkv-k (kis- és középvállalatok) működése fontos témája a gazdasági szakirodalomnak, a megjelent munkák számos aspektusból elemzik jellemzőiket. Jelen tanulmány azt vizsgálja, hogy a kkv-k mint fogyasztók (vevők) mennyire képesek beépíteni a környezeti tényezőket a...

This paper summarizes findings about papers involving supplier selection and evaluation using Data Envelopment Analysis (DEA) published between 2009 and 2018. It reviews how DEA, one of the most frequently used methods, supports the supplier selection and evaluation process and related...