How Does the Size of Investment as a Fraction of GDP

question 90

Multiple Choice

How does the size of investment as a fraction of GDP compare to its importance in creating economic fluctuations?

• A) Investment is a small part of real GDP, and it accounts for a small share of the fluctuation in real GDP.
• B) Investment is a small part of real GDP, yet it accounts for a large share of the fluctuation in real GDP.
• C) Investment is a large part of real GDP, and it accounts for a large share of the fluctuation in real GDP.
• D) Investment is a large part of real GDP, yet it accounts for a small share of the fluctuation in real GDP.

---

Definitions:

Cytokines

Small proteins released by cells that have a specific effect on the interactions between cells, on communications between cells or on the behavior of cells.

Cell Walls

Rigid or semi-rigid structures that surround the cell membrane of some cells, providing structural support and protection.

T Cytotoxic Cell

A type of T lymphocyte that kills cancer cells, cells that are infected (particularly with viruses), or cells that are damaged in other ways.

CD8

A glycoprotein found on the surface of some T-cell subsets, functioning as a co-receptor in the T-cell receptor (TCR) complex that recognizes antigens presented by MHC class I molecules.