Answer:
The correct word that fills the gaps are: portfolio investment; direct investment.
Explanation:
An investment portfolio is that combination of financial assets in which a basket of financial assets is deposited with the idea of generating a surplus value. It is also known as a portfolio.
More widely, we call the investment portfolio or portfolio of securities to that set of assets in which we have invested money in a diversified way, that is, it is the basket of assets in which we are invested.
The direct observation method is a method of data collection that basically consists of observing the object of study within a particular situation. All this is done without the need to intervene or alter the environment in which the object unfolds. Otherwise, the data obtained will not be valid.
