Assuming that rational expectations theory does not hold, if a central banks attempts to reduce the inflation rate what happens to the unemployment rate in the short-run?

The Karmic Deed Restaurant uses all of the following to produce vegetarian meals. Which of them is an example of physical capital?

a. the owner's knowledge of how to prepare vegetarian entrees b. the money in the owner's account at the bank from which she borrowed money c. the tables and chairs in the restaurant d. the fresh fruits, vegetables, and grains the restaurant uses to prepare its meals

The objective of diversification is to reduce risk. How does a person diversify a stock portfolio? How is risk measured?