Which of the following is a correct explanation for why the aggregate demand curve slopes downward?
a. as the price level increasesincreases, consumers substitute lessless expensive goods for moremore expensive choices.
b. as the price level increasesincreases, the labor force decreasesdecreases.
c. as the price level increasesincreases, the real value of cash balances decreasesdecreases, and total expenditures fallfall.
d. as the price level increasesincreases, exports become lessless expensive overseas and imports become relatively moremore expensive domestically, and thus net exports fallfall.

Acar manufacturer uses new machines that automatically assemble an engine from parts fed to the system. the machine can regulate the speed ofassembly depending on the number of parts produced. which type of technology does this machine use? angenoem mense wat ons in matin en esta va ser elthe machine uses

Label each of the following statements true, false, or uncertain. explain your choice carefully. a. workers benefit equally from the process of creative destruction. b. in the past two decades, the real wages of low-skill u.s. workers have declined relative to the real wages of high-skill workers. c. technological progress leads to a decrease in employment if, and only if, the increase in output is smaller than the increase in productivity. d. the apparent decrease in the natural rate of unemployment in the united states in the second-half of the 1990s can be explained by the fact that productivity growth was unexpectedly high during that period.

Apopular low-cost airline, parson corp., has gone out of business. although the service and price provided by the airline was what customers wanted, the larger airlines were able to drive the low-cost airline out of business through an aggressive price war. which component of the competitive environment does this illustrate?