ECON 2105: Principles of Macroeconomics

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.

Unpack the significance of GDP per Capita and Labor Productivity in economics. Learn how these indicators reflect a country's living standards and labor efficiency. Grasp the relationship between these metrics and the broader economic landscape.

Grasp the essentials of price elasticity of demand through various calculation methods. Dive deep into the unique and consistent mid-point method, understanding its relevance in fluctuating markets. Learn its practical application in analyzing market dynamics.

Explore the fundamental concept of the circular-flow diagram in economics, which simplifies the intricate interactions between households and firms. Includes examples illustrating how money, labor, and services flow between these economic actors.

Discover the intricate components of an economy, including savings, budgets, and trade balances. Learn how these elements interconnect and influence private investment. Understand an economic identity that determines an economy's investment levels.

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.