Suppose Barbara looks out in the morning and sees a clear sky so decides that a picnic for lunch is a good idea. Last night the weather forecast included a 100% chance of rain by midday but Barbara does not watch the local news program. Is Barbara's prediction of good weather at lunchtime rational? Why or why not?

Suppose Barbara looks out in the morning and sees a clear sky so decides that a picnic for lunch is a good idea. Last night the weather forecast included...

During the past decade, the average rate of monetary growth has been 5%, and the average inflation rate has been 5%. Everything else held constant, if the Federal Reserve announces that the new rate of monetary growth will be 10%, the rational expectation forecast of the inflation rate will be

During the past decade, the average rate of monetary growth has been 5%, and the average inflation rate has been 5%. Everything else held constant,...