This presentation reconsiders Knight's Risk, Uncertainty, and Profit of 1921 in light of the emergence of the World Wide Web in early-1990s, Emanuel Derman's pioneering work in Model Risk Management at Goldman Sachs in mid-1990s, backlash against quantitative models in aftermath of the Global...

This work is focused on identifying a circular pull production control system (PPCS) and make emphasis on the presence of a stability attribute. It is an introductory paper to an extended study of macroeconomic financial stability in a physically open but systemic closed system. Previous work...

In this paper, we investigate several variable selection procedures to give an overview of the existing literature for practitioners. 'Let the data speak for themselves' has become the motto of many applied researchers since the number of data has significantly grown. Automatic model selection...

Objective – The aim of this study is to identify how the strategy of online businesses can be improved to increase financial profits. The focus of this study is on online businesses selling flowers, taking into consideration the fact that the freshness of flowers does not last long, and that...

We construct a data-driven model of flows in graphs that captures the essential elements of the movement of workers between jobs in the companies (firms) of entire economic systems such as countries. The model is based on the observation that certain job transitions between firms are often...

The data used in this research is primary data, obtained by distributing questionnaires market research tests against 57 respondents drawn using non-probability sampling with purposive sampling technique. The results of the validation test r count r table with the 5% significance showed that...

In this paper, we investigate several variable selection procedures to give an overview of the existing literature for practitioners. “Let the data speak for themselves” has become the motto of many applied researchers since the number of data has significantly grown. Automatic model...

A Test of forecasts rationality based on the weak efficiency of fixed-event forecasts has recently been proposed by Nordhauss (1987). This paper considers the scope for pooling fixed-event forecasts across 'events' to deliver more powerful tests of the weak-efficiency hypothesis. In an empirial...

This study sheds new light on the question of whether or not sentiment surveys, and the expectations derived from them, are relevant to forecasting economic growth and stock returns, and whether they contain information that is orthogonal to macroeconomic and financial data. I examine 16...

The problem of multicollinearity in the assessments of coefficients is well established. However, it is rarely researched in the estimations of macroeconomic variables and economic performance of developing countries. Predicatively, it has impacts on the estimations of coefficients that should...