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What is the most cost effective way to purchase and activate a selected version of Windows? 

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Price discounts and buy-one-get-one-free offers were felt by the consumers to be the most effective promotional tools for inducing purchase acceleration, stockpiling and spending more.
For patients ≥ 45 years, radiation is the most cost-effective treatment option.
Additional reductions in costs via improvements in manufacturing and/or market penetration that continue to drive down costs will make highly insulating windows much more viable as a cost-effective energy efficiency measure.
We find that: (a) the vast majority of "retail piracy" can be attributed to a small number of widely distributed "hacks" that are available through the Internet, (b) the incidence of piracy varies significantly with the microeconomic and institutional environment, and (c) software piracy primarily focuses on the most "advanced" version of Windows (Windows Ultimate).
For building envelopes retrofit, if replacing windows using appropriate material, retrofit of external windows represents higher cost effectiveness than that of external walls.
Open accessJournal ArticleDOI
Woonggy Kim, Minyoung Sung 
04 Jul 2018-IEEE Access
31 Citations
This makes it possible to build a cost-competitive wrapper system by using commercial off-the-shelf non-Windows solutions with low-cost microprocessors.
On the whole, the device can be presented as a proof-of-concept in the fields of low-cost and flexible smart windows.
We report on a predictable, lower-cost process for fabricating large-scale sapphire windows.
Switching cost is hypothesized to negatively moderate the effects of satisfaction and trust on repeat purchase intention.

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