SpaceX has focused on building reusable rockets (government-built rockets are one-use disposable models), with the end goal of drastically decreasing the cost of space travel.

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His team read the chemical bases of the DNA with a machine made by Illumina, the San Diego company that has led the way in decreasing the cost of DNA sequencing.

FORBES: A Tragic Case And A Genomic Hope

Additionally, restructuring of the administration of U.S. food aid would increase the number of people reached while decreasing the cost to American citizens.

FORBES: U.S. Food Aid Needs Overhaul, says Report [Infographic]

Production cost of solar cells, and correspondingly, solar modules is also decreasing worldwide due to declining input costs, particularly polysilicon and silicon.

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Meanwhile, decreasing the number of elements would decrease the scope of the game and cutting the cost of the toys would almost certainly mean downgrading their quality.

FORBES: Connect

The results of the pilot show an increase in compliance with medication and a cost savings due to decreasing or stopping inappropriate medication.

BBC: A pharmacist with a prescription

International business schools tend to be much less expensive and most require approximately 1 year of study rather than the traditional 2 years required by US MBA programs, decreasing foregone income and thus opportunity cost significantly.

FORBES: The Rise of the International MBA