In this paper the plate from the steel of quality grade J55 API 5CT and the process of pipe forming Ø139.7x7.72 mm and Ø219.1x7.72 mm with rectilinear seam is analysed. The impact of deformation level in the cold and mechanical properties of the steel coils before and after the forming of the...

While the effects of non-geographic aggregation on inference are well studied in economics, research on geographic aggregation is rather scarce. This knowledge gap together with the use of aggregated spatial units in previous firm location studies result in a lack of understanding of firm...

When applying Excel to finance, there exist many issues, such as how to focus on hands-on experience, how to inspire students to learn Excel, how to teach macros and how to get data into our spreadsheets in the first place. This paper offers a brand new approach with the following features....

The article examines how open source licensing model has changed the way of exploitation of intellectual property in the software industry. The article analyzes the OSS tendency in general, provides historical background, indicates main differences between OSS and public domain software and...

Cloud based computing has tremendous potential for academia in general and researchers in particular. The ability to store, read and manipulate large data sets is increasingly important to be on the cutting edge of research. While most researchers have extensive programming skills, they...

Four decades ago, the Ninth Circuit ruled that expert testimony was inadmissible to determine whether Mayor McCheese and the merry band of McDonaldland characters infringed copyright protection for Wilhelmina W. Witchiepoo and the other imaginative H.R. Pufnstuf costumed characters. Since the...

This paper proposes the Stata command estudy and illustrates how it can be used to perform an event study customizing the statistical framework, from the estimates of abnormal returns to the tests for their statistical significance. Our program significantly improves the existing modules both in...

Water is fundamental to our quality of life, to economic growth and to environment. Rainwater is one of the primary sources of all usable water in the planet. Rainwater harvesting (RWH) is an ancient practice of capturing rain runoff from roofs and other surfaces and storing it for later...

This article describes the evolution of copyright protection for computer software. It shows how the courts successfully deployed and adapted copyright doctrines in a manner that protected software against piracy while at the same time allowing for competition and innovation