ECON 121: Principles of Macroeconomics

Uncover the fundamental concept of economic resources and their pivotal roles. From land and labor to capital and entrepreneurship, grasp the intricacies that drive production. Experience an insightful look into the elements shaping our economic activities.

Explore the intricacies of monopolies and price discrimination in the market. Unpack myths and truths about consumer behavior and pricing strategies. Real-life examples illuminate these fundamental economic concepts.

In this video, the concepts of tariffs and trade policies are explained, highlighting how tariffs affect the cost of imported goods and how trade policies control imports and exports. The video then examines four trade policy scenarios, emphasizing their impact on producers, consumers, and trade, ultimately identifying the correct answer as option c, which fulfills all the specified conditions.

This video explains the theory of Purchasing Power Parity (PPP) in economics, emphasizing how it relies on the "law of one price" and illustrating how exchange rates should adjust to equalize purchasing power between nations in the long run. It also demonstrates how price disparities for products like iPhones can lead to currency exchange rate adjustments and eventually equalized prices.

This video delves into the advantages of international trade, using the example of France's specialization in wine production, and explores different options while highlighting the concept of comparative advantage without revealing the ultimate answer.

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.