A micro decision-making utility model under uncertainty is presented as a complementary foundation for macro coronavirus models. The micro model consists of two functions, a risk averse utility function depending on wellness and a wellness random output which is a function of the input variable...

A new DEA model has been introduced recently combining the primal and the dual models in order to impose strong complementary slackness conditions. It was claimed that a reference set that contains the maximum number of efficient units can then be determined. The model is very interesting as a...

Measuring productive efficiency is an important research strand within fields of economics, management science and operations research. One definition of efficiency is the proportional scaling needed for observations of an inefficient unit to be projected onto an efficient production function...

Attempts can be found in the DEA literature to identify returns to scale at efficient interior points of the production possibility set on the basis of returns to scale at points of the corresponding reference sets. However, an opposite approach is put forward in this paper, advocating that...

This study investigated temporal changes in factor adjustment of the Japanese manufacturing industry by applying a dynamic factor model, in which labor and capital were quasi-fixed to a panel of industries from 1972 to 2012. Estimations show that the adjustment speeds, with which factors...

Organization theorists identify organizational social capital as one of the primary building blocks of a potentially powerful resource for improving organizational performance. However, little is known about the impact of the socio-emotional skills of the employees within their social capital...

The emergence of so-called "decentralised finance" (DeFi) and a shadow financial system of cryptocurrency exchanges and stablecoin issuers raises the challenge of how to apply technology-neutral regulation so that similar risks are subject to the same rules. This paper makes the case for...

This study assesses the impact of the COVID-19 pandemic on micro, small, and medium-sized enterprises (MSMEs) and the role of Fintech, in particular mobile financial services (MFS), in their recovery from COVID-induced losses. The study uses data from a survey of 216 MSMEs from Bangladesh Small...

Polens Volkswirtschaft wächst 1996 voraussichtlich um 5,5%. Im Gegensatz zum Vorjahr (1995: + 7%) schwächte sich wegen einer geringeren Auslandsnachfrage die Konjunktur ab. Konsum (ca.+ 4% bis 5%) und Investitionen (ca. +18%) sttitzen jedoch das Wachstum. Das Preisklima entspannt sich etwas....