Q: How many economists does it take to screw in a light bulb? A: None. If the light bulb really needed changing, market forces would have already caused it to happen. This joke represents the view of
A) classical economists.
B) Keynesian economists.
C) economists who conclude that money illusion is widespread.
D) economists who conclude that wages and prices are inflexible.
Question 2
Which of the following would cause a change in the quantity demanded of a product?
A) a higher price
B) a higher income
C) expectations of future price increases
D) All of the above are correct.
Which wavelengths of light are most effective at photosynthesis?
The Light Curve of a Nova
Using a black light to spot leaks after adding dye to the oil.
Testing the corneal light reflex
A monochromatic beam of light of wavelength 600 nm is incident normally on a diffraction ...
Light micrograph of cells in a strand of Chladophora