Which of the following environmental problems is among the least-easily solved?
A. waste water treatment
B. the world's global warming issues
C. a nation's coastal water pollution issues
D. a nation's air pollution issues
Answer: B
You might also like to view...
Thomas Malthus' prediction of mass starvation resulting from diminishing marginal returns has not been fulfilled because
A) the law of diminishing marginal returns did not hold in this case. B) Malthus ignored other factors like technological change. C) relative to Malthus' day, larger percentage of today's labor works in the agricultural sector. D) All of the above.
If Americans became more pessimistic about the economy, what would happen to the consumption-income line?
a. A rightward movement along the line b. A leftward movement along the line c. The entire line would shift upward d. The entire line would shift downward e. The entire line would shift downward and there would be a rightward movement along the new line
The supply curve of labor is typically upward sloping because
a. a decrease in the wage rate causes workers to work more hours b. the opportunity cost associated with giving up leisure time rises c. some workers leave the industry when the wage rate is too high d. all workers show the same willingness to work at a given wage rate e. the price of the good rises as more workers are hired and more output is produced
An important effect of foreign currency speculators is that
a. they have consistently lost money and have left the market. b. they have pushed exchange rates to wider extremes than most economists predicted. c. they actually limit the volatility of exchange rate movements. d. they have had no effect at all on exchange rate volatility.