b. offered an explanation of the market economy’s poor environmental performance.
c. outlined an approach to environmental policy still in favor with economists today.
d. All of the above are correct.
In 1984, British Prime Minister Margaret Thatcher decided to shut down so-called
“uneconomic” coal mines owned by the government. The National Union of
Mineworkers protested, asserting that there was enough coal in the mines to continue
current levels of production for years. Thatcher implicitly argued that her decision was
economically sound because, at any practical level of output, for each “uneconomic”
mine,
a. MC > AC.
b. for every input, MPP > APP.
c. MC > MR.
d. AC > MC.
The definition of cross elasticity of demand for two products X and Y is
a. percentage change in quantity of X demanded/percentage change in quantity of Y
demanded.
b. percentage change in price of Y/percentage change in quantity of X demanded.