Many plug - in vehicles have high levels of equipment, in part to help justify the higher price tags relative to internal combustion models. (nextgreencar.com)
Based on this reasoning, which is itself based on the concept of scarcity, will the mass introduction of digital publishing validate and justify the higher price point of print books? (publishingperspectives.com)
Another reviewer noted that the graphics are well done, and the game has just enough complexities to justify the higher price of $ 4.99. (kindle-apps.net)