1. The document discusses economic challenges facing contemporary business, including microeconomics, macroeconomics, different market structures, the business cycle, and monetary and fiscal policy.
2. It defines microeconomics as the study of small economic units like individuals and businesses, and macroeconomics as issues affecting the entire society.
3. The four types of market structure are pure competition, monopolistic competition, oligopoly, and monopoly. Monetary and fiscal policy tools are used to manage the economy.