Macroeconomics is the branch of economics that focuses on:
a. broad issues such as growth, unemployment, inflation, and trade balance.
b. the actions of particular agents within the economy, like households, workers, and business firms.
c. the means of production (resources and businesses) that are owned and operated by private
individuals or groups of private individuals.
d. workers or firms, and whether they are well suited within the overall production process.
a. broad issues such as growth, unemployment, inflation, and trade balance.
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Hermione and Ron are at a sweet shop in London. Hermione looks at the prices of ice cream and chocolate bars and says to Ron: "I can tell you what your marginal rate of substitution between ice cream and chocolate bars is at your best affordable
point." "No, you can't," says Ron. "You don't know my preferences and how much money I have." "I don't need to know all this because I know the prices," Hermione replies. Is she right? Explain.
Name some of the barriers to entry that can be created by a competitive firm to protect profits?