ECON 221: Principles of Microeconomics

Unexpected inflation can shift wealth between lenders and borrowers. This phenomenon affects the real value of money repaid, disadvantaging the creditors. Additionally, businesses face operational expenses like menu costs during inflation adjustments.

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 multifaceted role of economists in society, their interpretation of complex economic data, and how they provide guidance to decision-makers. Discover why economists may offer conflicting advice due to varying economic theories, data interpretation, personal values, and political ideologies.

Explore the historical barter system and its challenges, particularly the double-coincidence of wants. Witness how the need for simpler transactions led societies from direct barter to embracing mediums of exchange like money.

In this video, we explore the theory of liquidity preference, which focuses on how an economy's interest rate adjusts to balance supply and demand for money. We evaluate a multiple-choice question and discuss each option's alignment with various economic theories without revealing the correct answer.

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.