A Flash Mob Is a Sudden Assembly of Strangers in a Public

question 30

Multiple Choice

A flash mob is a sudden assembly of strangers in a public place for the purpose of performing some novel action (clapping for no reason, singing a song together, dancing, etc.) and then rapidly dispersing. Although they appear to be spontaneous to outsiders, in reality flash mobs are organized through e-mails, social networking sites, and text messages. This is a good example of how technology can:

• A) shift recreation to the private sphere.
• B) concentrate media power.
• C) promote self-regulation and censorship in the media.
• D) make it easier to organize people.
• E) commodify recreation and leisure.

Comprehend the role of government in financing basic scientific research and its implications on public goods and externalities.

Identify the optimal level of R&D expenditure for firms based on marginal cost and benefit analysis.

Grasp how successful product innovations increase consumer utility and spending efficiency.

Analyze the inverted-U theory relationship between R&D expenditures and industry concentration.

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Definitions:

Capillary Endothelium

The single layer of cells lining the interior surface of blood capillaries, involved in the exchange of materials such as oxygen and carbon dioxide between blood and tissues.

Podocytes

Specialized cells in the kidney that wrap around capillaries of the glomerulus, playing a key role in the filtration of blood to form urine.

Renal Tubules

Renal tubules are microscopic tubes in the kidney where filtered blood is further processed into urine by reabsorbing water and nutrients and secreting wastes.

Cotransport

The simultaneous transport of two substances across a cell membrane in the same direction by a single carrier protein.