The field of economics is most concerned with studying: A. the ways physical capital is formed in nature
B. the biological differences between people's wants and needs
C. the ways people elect their leaders in a democracy
D. the choices people make with limited resources

In macroeconomics, to study the aggregate means to study blank

Helen tells her nephew, bernard, that she will pay him $100 if he will stop smoking for six months. helen was hopeful that if bernard stopped smoking for six months, he would stop altogether. bernard stops smoking for six months but then resumes his smoking. helen will not pay him. she says that the type of promise she made cannot constitute a binding contract and that, furthermore, it was at least implied that he would stop smoking for good. can bernard legally collect $100 from helen

Labor unions have used which of the following to win passage of favorable laws such as shorter work weeks and the minimum wage? a. strikes b. collective bargaining c. lobbying d. lockouts