This paper improves upon the existing literature surrounding the production order quantity inventory model in which unit cost and daily production are assumed to be constant. By including economies of scale into the model, we examine its impact on production order quantity and total cost. The...

Land subsidence created by underground coal mining has a critical influence on the structure and function of ecosystems in mining areas. However, knowledge of the aquatic bacterial community structure and interspecies interactions in subsidence lake is still limited. To address this, we...

We examine a sample of U.S. mutual funds and find that, between 2003 and 2018, 28 funds have changed their name to a sustainability-related appellation. Following the name change, we observe three main outcomes: (i) an increase in fund flows, (ii) a significant rise in portfolio turnover, and...