Why is there a trade-off between the amount of consumption that people can enjoy today and the amount of consumption that they can enjoy in the future? How does saving relate to consumption and thus to economic growth? Why is the financial sector important in macroeconomics debates?

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Why is there a trade-off between the amount of consumption that people can enjoy today and the amount of consumption that they can enjoy in the future? How does saving relate to consumption and

thus to economic growth? Why is the financial sector important in macroeconomics debates?

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