What's an "in the presence" policy?

1. which of the following factors would cause demand-pull inflation? a. serious crop failure b. significant decrease in the supply of oil c. increase in the money supply d. increase in the cost of raw materials for firms e. reduction in imports allowed into the country

Summarize deleon's advice to the strikers

The double-blind procedure is most for a.random assignment b.the placebo effect c.operational definitions replication d. standard deviations