<span>The only way to establish a cause-and-effect relationship between two variables is to conduct an experiment.
First we state a hypothesis and then we make the experiment. The experiment should </span>support, refute, or validate our hypothesis. It is done by making<span> changes in one variable and observing is that might </span>lead to<span> changes in another variable (cause-and-effect).</span>
Overall, Snead's Snack Bar earned more in July, with $2600, while in June they only earn $2500
Answer:
b. They benefit from an expanded opportunity set.
Explanation:
Recently, financial market have become highly integrated, which help investor to diversify their portfolios internationally.
International portfolio help the investor to focus on foreign market´s securities to invest, it add exposure of portfolio to the growing and developed market. As firm is going global to expand opportunity set, so that it can earn more benefit out of diversified market, similarly, investor are going global by diversifying their investment opportunity.
