If $30 can buy a dozen roses in the united states, and purchasing power parity holds, then $30 should also be enough to buy a dozen roses in turkey—or, more specifically, the turkish lira equivalent of $30 should be sufficient to buy a dozen roses in turkey. if purchasing power parity does not hold between the two nations, how might you account for the discrepancy? select all that apply.

a. identical roses.
b. non-identical roses.
c. transportation costs
d. roses are not perfectly tradable.
e. prices may not have fully adjusted.

Power plants that rely on coal increase the amount of sulfur dioxide that dissolves into the air, eventually increasing the acidity of precipitation. the higher acidity of rain and snow can damage forests by making it more difficult for plants to absorb minerals from the soil. the equations below provide information about the market demand and supply of electricity. there is a constant marginal external cost of $25 per unit of electricity.d: qd= 200 – 2ps: qs=p – 10what quantity of electricity satisfies allocative efficiency in this market? a. 60b. 70c. 50d. 43.3