In this paper we evaluate the relationship between quality investing combined with Economic Moat, ESG (Environmental, Social and Governance) and analyst opinions over the period 2014-2020 (28 quarters) based on a dataset comprising 803 US stocks rated by Morningstar. Performance is evaluated...

The purpose of this study is to identify and evaluate the limitations and emerging trends of Six Sigma from the perspectives of Six Sigma experts. The authors developed an online global survey to gather viewpoints on Six Sigma and deployed the survey to 700 Six Sigma experts. An analysis is...

This article analyzes how Quality Management (QM) practices moderate the relationship between collective mind (CM), and knowledge transfer (KT) and absorption in university research and development (R&D) groups. The data are taken from 257 R&D groups in different Spanish universities. The...

A new generation of healthcare operations management (HOM) scholars is studying timely healthcare topics (e.g., organization design, design of delivery, and organ transplantation) using contemporary methodological tools (e.g., econometrics, information economics, and queuing games). A...

We study a supply chain with manufacturer encroachment in which product quality is endogenous and customers have heterogeneous preferences for quality. It is known that, when quality is exogenous, encroachment could make the retailer better off. Yet, when quality is endogenous and the...

We investigate how improving the signal quality of grades could enhance the matching of students to selective opportunities that are awarded early in academic programs. To do so, we develop methods to measure the signal quality of grades and to estimate the impact of changes to university...

The purpose of this study is to analyze whether engagement quality control review (EQCR) hours affect auditor changes and whether abnormal audit fees and changes in management have moderating effects on the relation between EQCR hours and auditor changes. The logit regression model is designed...

The aim of the paper is to provide an overview of the sensitivity in terms of the preference for using the integrated reporting quality (IRQ) based on the reporting companies' field of activity. The study focusses on designing a sensitivity analysis relying on the most relevant financial and...

This report is the synthesis of the key findings and recommendations of the studies carried out under the World Bank's Advisory Services and Analytics program entitled "Ethiopia: Air Quality Management and Urban Mobility." The report is organized as follows. After an introduction, Chapter two is...