In open economies, A. countries can save only by acquiring foreign wealth. B. investment always refers to the domestic stock market. C. unlike the case of a closed economy, saving and investment are not necessarily equal. D. saving and investment are necessarily equal contrary to the case of a closed economy. E. as in a closed economy, saving and investment are not necessarily equal.

C. unlike the case of a closed economy, saving and investment are not necessarily equal

Explanation:

An open economy occurs when international businesses in addition to domestic ones engage in trading activities.

Exchanges that occur may be for management expertise, goods and services, or technology.

In contrast a closed economy is one where there is no buying or selling with international businesses.

In an open economy people can put their savings in investment outside of the country. So domestic investment is usually not equal to savings.

However in a closed economy. All the savings are invested locally, so investment is usually equal to savings

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