ECN 150: Macroeconomics

Unpack the primary subdivisions of economics: Microeconomics, centered on individual economic agents, and Macroeconomics, which looks at broader economic trends. Understand the core differences and inherent connections between these two fields. Explore real-world examples to comprehend their implications.

Explore the fundamental concept of scarcity in economics. Understand the tension between our infinite desires and the finite resources we have. Grasp how scarcity influences our choices, necessitating trade-offs in everyday decisions.

Explore the differences between the Four-firm Concentration Ratio and the Herfindahl-Hirschman Index. Understand how they assess market concentration and dominance. Get insights into market power dynamics by comparing these two indices.

Explore how elasticity of demand impacts gains from trade in economies. Understand the relationship between demand elasticity and benefits for consumers and producers. Debunk misconceptions about inelastic demand and trade gains.

Discover the role of "ceteris paribus" in economics, a foundational assumption simplifying analyses. Understand its application in variable isolation, policy analysis, and model building. Gain insights into how economists use this tool for clarity in complex scenarios.

This video explores the causes of lags in the impact of monetary and fiscal policy on aggregate demand, drawing analogies to recognizing seasonal changes, adjusting cooking temperatures, and waiting for planted seeds to grow, and discusses the implications of these lags for the debate between active and passive economic policy approaches.