Showing 51 - 60 of 220
Call blockage may incur large losses in areas prone to traffic accidents. We formulate an optimisation problem that chooses base station locations and assign channels to them so as to minimise the overall installation and call blockage costs. Since this problem is a difficult non-linear integer...
Persistent link: https://www.econbiz.de/10008539481
Simultaneous relationship between telecommunications and the economic growth, using data for developing countries are examined. Using 3SLS, a system of equations that endogenize economic growth and telecom penetration (respectively production function and demand for telecom services), along with...
Persistent link: https://www.econbiz.de/10008543111
Using state-level panel data on mobile phone ownership, hands-free laws, and traffic fatalities, this paper finds that mobile phone ownership is associated with higher traffic fatalities, but only in bad weather or wet road conditions. The limited experience of a few states suggests that...
Persistent link: https://www.econbiz.de/10005046332
The introduction of Mobile Payment Systems (MPS) has gained increasing attention from telecommunications and financial service firms. However, to date, end customer use of MPS has not developed extensively. Thus, the present investigation aims to explore the drivers of MPS acceptance among...
Persistent link: https://www.econbiz.de/10005048880
Call blockage may incur large losses in areas prone to traffic accidents. We formulate an optimisation problem that chooses base station locations and assign channels to them so as to minimise the overall installation and call blockage costs. Since this problem is a difficult non-linear integer...
Persistent link: https://www.econbiz.de/10005048966
Motor vehicle crashes continue to result in large numbers of fatalities each year and represent the leading cause of death for young persons. In 2006, for example, there were over 42,700 fatalities associated with these crashes. Understanding the causes of these crashes and methods to reduce...
Persistent link: https://www.econbiz.de/10010665575
We explore the relationship between access to cell phones, TV, and the internet and subjective well-being worldwide, using pooled cross-sectional data from the Gallup World Poll for 2009–2011. We find that technology access is positive for well-being in general, but with diminishing marginal...
Persistent link: https://www.econbiz.de/10010666066
This paper describes a prototype case-based reasoning expert system that enables farmers to get assistance with crop diagnostics and other extension services through the web via a dynamic website or through mobile phones. It is also voice enabled to support visually impaired people. Mobile...
Persistent link: https://www.econbiz.de/10010816549
This paper examines the question of how a shift in the end point of a global value chain alters the prospects for industrial upgrading in a developing economy through an analysis of the mobile telecom sector in China. Over the last decade, China has become the world's largest market for mobile...
Persistent link: https://www.econbiz.de/10010816783
After learning about the crisis of September 11, Americans overwhelmingly turned to television for more information. However, people used multiple sources of information. The Web and e-mail appear to have played important but secondary roles to television and the telephone. Overall, the media...
Persistent link: https://www.econbiz.de/10009189166