Other things equal, diversification is most effective when Group of answer choices Securities returns are uncorrelated. Securities' returns are high. Both securities' returns are positively correlated and securities' returns are high. Securities' returns are positively correlated. You hold equal proportions of each security in a portfolio.

Non systemic risk are risks that can be diversified away. they are also called company specific risk. Examples of this type of risk is a manager engaging in fraudulent activities.

Correlation is a statistical measure used to measure the relationship that exists between two variables.

1. Positive correlation : it mean that the two variables move in the same direction. If one variable increases, the other variable also increases.

For example, there should be a positive correlation between quantity supplied and price

When there is a positive correlation, the graph of the variables is upward sloping

2. Negative correlation : it mean that the two variables move in different direction. If one variable increases, the other variable decreases.

For example, there should be a negative correlation between quantity demanded and price

When there is a negative correlation, the graph of the variables is downward sloping

3. Zero correlation : there is no relationship between the variables

In order to achieve the highest benefit of diversification, there should be no relationship between the assets in the portfolio