Showing 1 - 7 of 7
As distributing centres of trade and transportation network, ports play an important role in the development of the national economy. With the changing of the global business environment, the port enterprise operation environment is continuously changing, and growing problems are becoming...
Persistent link: https://www.econbiz.de/10012301430
Forecasting stock market movements is a challenging task from the practitioners' point of view. We explore how model selection via the least absolute shrinkage and selection operator (LASSO) approach can be better used to forecast stock closing prices using real-world datasets of daily stock...
Persistent link: https://www.econbiz.de/10014518025
The fierce competitions in supply chain are changing the conventional buyer-seller relationship, which leads to undermine business strengths. To respond this transformation, strategic partnership has been gaining increasing attention. However, recent research points out that it still lacks the...
Persistent link: https://www.econbiz.de/10009448226
As distributing centres of trade and transportation network, ports play an important role in the development of the national economy. With the changing of the global business environment, the port enterprise operation environment is continuously changing, and growing problems are becoming...
Persistent link: https://www.econbiz.de/10014557542
Pooling data from multiple sources plays an increasingly vital role in today's world. We propose a new type of design, called a Samurai Sudoku-based space-filling design to address this issue. Such a design is an orthogonal array based Latin hypercube design with the following attractive...
Persistent link: https://www.econbiz.de/10013046215
We derive a parsimonious model of damage to corporate earnings from COVID-19. Using measures of expected damage from industry-level earnings forecast revisions, we estimate this model with nonlinear least squares and identifying restrictions related to forecast rationality. Forecasts in mid-May...
Persistent link: https://www.econbiz.de/10013245116
Conventional wisdom holds that in non-democracies, a strong central state can reward and punish local administrations through a merit-based promotion system, which should restrain corruption. But much evidence shows that rampant corruption coexists with powerful central governments. This study...
Persistent link: https://www.econbiz.de/10012848521