The accompanying graph depicts demand. The price elasticity of demand at point A is:

Economists define the labor force to include

A) people who are working. B) only people who are working full time. C) people who are not working but are actively looking for a job, and people who are working. D) all individuals of working age, regardless of whether they are working or looking for a job.

If all actions are known to all then there is

A) a focused economy. B) a negative externality. C) transparency. D) a dictatorship.