A Number of Econometric Studies Have Found Consistent Evidence of a Hump-Shaped

question 21

Multiple Choice

A number of econometric studies have found consistent evidence of a hump-shaped relationship between income levels and pollution levels. According to this, as an economy grows and income levels rise

• A) initially the pollution levels remain low.
• B) after a while, the pollution levels decrease.
• C) the pollution levels also rise in proportion to the economic growth.
• D) there is increasing industrialization, which leads to greater pollution.

---

Definitions:

Palmar Surface

The front region of the hand that extends from the wrist to the bases of the fingers.

Ophthalmoscope

A medical instrument used by healthcare professionals to examine the interior structures of the eye, including the retina and optic nerve.

Astigmatism

A common vision condition caused by an imperfection in the curvature of the eye's cornea or lens, leading to blurred or distorted vision.

Nearsighted

A common vision condition where close objects appear clearly, but distant ones are blurry, also known as myopia.