Research Paper Forecasting, production planning, and control
Overall productivity assessment using the performance objectives productivity (po-p) approach: a case study

Seife Ebeyedengel Tekletsadik

Volume 11, Issue 3 , September 2022, Pages 214-223

https://doi.org/10.22105/riej.2022.320275.1273

Abstract
  During my travel to the research case industry to advice internship placed students of our university, I have communicated with company owners that there is a problem related with productivity measurment andimprovement.   So that we have decided to assess the overall productivity of the company ...  Read More

Research Paper Management Sciences
Entrepreneurial team characteristics, social interactions, and the success of information technology start-ups

Fatemehsadat Seyedalikhani; Afsaneh Bagheri; Seyed Mojtaba Sajadi

Volume 11, Issue 3 , September 2022, Pages 224-243

https://doi.org/10.22105/riej.2022.324420.1285

Abstract
  Entrepreneurial teams significantly influence the growth, profitability, and innovation of new businesses, specifically in Information Technology (IT) start-ups. However, there is limited knowledge about the impact of personal characteristics of entrepreneurial team members and their social interactions ...  Read More

Research Paper Banking industry
Identifying key indicators for developing the use of blockchain technology in financial systems

Yousef Babazadeh; Naser Fegh-hi Frahamand; Mohammad Pasebani; Yaguoob Alavi Matın

Volume 11, Issue 3 , September 2022, Pages 246-257

https://doi.org/10.22105/riej.2022.331964.1300

Abstract
  Internet-based financial systems and communications have entered a new phase with the advent of blockchain technology and cryptocurrencies. The new economic system with its transparency, privacy, and peer-to-peer networking, has attracted the attention of economists. The advent of cryptocurrencies has ...  Read More

Research Paper Mathematical modelling
A numerical solution for the fractional ideal equation of thermoelectric coolers

Farhad Shariffar; Peyman Pirmohabbati; Amir Hossein Refahi Sheikhani

Volume 11, Issue 3 , September 2022, Pages 258-272

https://doi.org/10.22105/riej.2022.323524.1281

Abstract
  One of the fields studied in the science of heat physics is the thermoelectric phenomenon. This phenomenon is in fact the interaction between the current of electricity and the thermal properties of a system. In simpler terms, it is a phenomenon in which the direct conversion of a temperature difference ...  Read More

Research Paper Data modeling
A two-stage uncertain model to arrange and locate vehicle routing with simultaneous pickup and delivery

Mohammad Khodashenas; Hamed Kazemipoor; Seyed Esmaeel Najafi; Farzad Movahedi Sobhani

Volume 11, Issue 3 , September 2022, Pages 273-305

https://doi.org/10.22105/riej.2022.344405.1316

Abstract
  In this paper, a two-stage model is designed for arranging and locating vehicle routes with simultaneous pickup and delivery. The model developed in the first stage optimizes the arrangement of products in packages and thus optimizes packages' length, width, and height for delivery to customers. In the ...  Read More