Adam Smith is considered the father of economics because of his book, The Wealth of Nations, which laid the foundation for classical economics.

Mercantilism is an economic system that advocates government intervention in the economy to promote economic growth. This can be done through tariffs, subsidies, and other policies.

Classical economics is an economic system that advocates free trade and laissez-faire. This means that the government should not intervene in the economy, and that the market should be allowed to operate freely.

Keynesian economics is an economic system that advocates government intervention in the economy to promote economic growth. This can be done through fiscal policy, monetary policy, and other policies.

Monetarism is an economic system that emphasizes the importance of saving and investment. This is because saving and investment lead to economic growth.

Supply-side economics is an economic system that advocates free trade and laissez-faire. This means that the government should not intervene in the economy, and that the market should be allowed to operate freely.

Behavioral economics is an economic system that emphasizes the role of government in providing social welfare. This can be done through social programs, such as unemployment insurance and welfare.

Institutional economics is an economic system that emphasizes the importance of institutions in economic development. This includes things like property rights, the legal system, and the education system.

Evolutionary economics is an economic system that emphasizes that the economy is constantly evolving. This is because new technologies, new products, and new markets are constantly being created.

Ecological economics is an economic system that emphasizes that the economy is a subsystem of the environment. This means that the economy is dependent on the environment for resources, and that economic activity can have a negative impact on the environment.

Feminist economics is an economic system that emphasizes that the economy is gendered. This means that the economy is structured in a way that benefits men more than women.

Post-Keynesian economics is an economic system that emphasizes that the economy is not self-adjusting. This means that the government needs to intervene in the economy to promote economic growth.

New classical economics is an economic system that emphasizes that the economy is self-adjusting. This means that the government does not need to intervene in the economy to promote economic growth.

New Keynesian economics is an economic system that emphasizes that the economy is not self-adjusting. This means that the government needs to intervene in the economy to promote economic growth.

Real business cycle theory is an economic system that emphasizes that the economy is driven by real shocks, such as technological change and changes in consumer preferences.