A concrete market refers to a specific, tangible market where goods or services are bought and sold, such as the real estate market or the stock market. An abstract market, on the other hand, refers to a conceptual or theoretical market that is not tied to a specific physical location or product, such as the idea of a free market or a competitive market. Concrete markets are based on actual transactions and physical goods, while abstract markets are based on theoretical economic principles and concepts. **

Karl Marx is often considered one of the founders of communism due to his influential writings on the subject, particularly in "The Communist Manifesto" and "Das Kapital." However, it is important to note that the concept of communism predates Marx, with early forms of communal living and sharing of resources dating back centuries. Additionally, Marx's ideas were built upon the work of other socialist and communist thinkers, such as Friedrich Engels and Pierre-Joseph Proudhon. Therefore, while Marx played a significant role in shaping modern communist theory, he cannot be solely credited as the sole founder of communism. **

Three examples of a concrete market include the real estate market, the stock market, and the grocery market. These markets involve the buying and selling of tangible goods or assets. On the other hand, three examples of an abstract market include the labor market, the financial market, and the healthcare market. These markets involve the exchange of services, skills, or intangible assets. **

According to Karl Marx, communism is a stateless, classless society where the means of production are collectively owned and controlled by the people. In a communist society, there is no private property, and the distribution of goods and services is based on the principle of "from each according to his ability, to each according to his needs." Marx envisioned a society where there is no exploitation, oppression, or alienation, and where individuals are free to develop their full potential. He believed that communism would arise as a result of the working class (proletariat) overthrowing the capitalist system through a revolution. **

The ideal image of Marx is that of a revolutionary thinker who sought to create a classless society where the means of production are owned and controlled by the workers. He envisioned a society where everyone's needs are met and where there is no exploitation or oppression. Real communism, as envisioned by Marx, is a system where there is no private property, no class distinctions, and where the state eventually withers away as people live in harmony and cooperation. However, in practice, real communism has often been associated with authoritarian regimes, lack of individual freedoms, and economic inefficiency. The ideal image of Marx and real communism is therefore a vision of a just and equitable society, but the reality has often fallen short of this ideal. **

The answer to this question is subjective and depends on one's perspective. Some may argue that communism, as Karl Marx intended it, is good because it aims to create a classless society where wealth and resources are shared equally among all members. This could lead to a more equitable and fair society, free from exploitation and oppression. However, others may argue that communism, as practiced in some countries, has led to authoritarianism, lack of individual freedoms, and economic inefficiency. Ultimately, whether communism is good or bad depends on how it is implemented and the specific context in which it is applied. **

Marx's predictions about the inevitable collapse of capitalism and the rise of the proletariat have not come to pass in the way he envisioned. However, his analysis of the inherent contradictions and inequalities within capitalism still holds relevance today. While some of his specific predictions may not have materialized, his critique of capitalism's tendency to concentrate wealth and power in the hands of a few remains valid. Ultimately, whether Marx was "right" depends on the specific aspects of his theories being considered and the context in which they are being applied. **

Freud can be seen as a liberal reformer due to his emphasis on individual freedom and the importance of understanding and addressing psychological issues. He advocated for the liberation of individuals from the constraints of societal norms and the exploration of the unconscious mind. On the other hand, Marx was a radical revolutionary who sought to completely overhaul the capitalist system and establish a classless society. He called for the working class to rise up and overthrow the bourgeoisie, leading to a complete restructuring of the economic and social order. While both Freud and Marx sought change, Marx's vision was more radical and revolutionary compared to Freud's emphasis on individual liberation within the existing societal framework. **