This lecture provides how economists measure the total income of a nation (mainly) using the gross domestic product (GDP). The concept is also described in the Indonesian context.

This lecture provides how economists measure the overall cost of living using the consumer price index (CPI). The CPI is used to monitor changes in the cost of living over time. When the CPI rises, the typical family has to spend more money to maintain the same standard of living. The concept is also described in the Indonesian context.

This lecture introduces various goods in the economy, by using excludability and rivalry in consumption characteristics. It focuses to describe goods that are not excludable: public goods and common resources. 

This lecture describes various types of government policy using the tools of supply and demand. It begins by considering policies that control prices. After that, it discusses the impact of taxes.

This lecture discusses an important question: How does international trade affect economic well-being? Who gains and who loses from free trade among countries? How do the gains compare to the losses? Finally, this lecture describes some arguments for restricting trade.

This lecture discusses the design of a tax system. It begins with the costs of taxation (including how a tax affects market participants, the deadweight loss), followed by the relationship between tax and efficiency and equity. The tax system in Indonesia is also briefly discussed.

This lecture begins by examining the role of money in an economy. It discusses what money is, the various forms that money takes, how the banking system helps create money, and how the government controls the quantity of money in circulation. Finally, the Indonesian context especially in terms of Central Bank is also given.