Group 1 - The core idea of the article emphasizes the importance of understanding economic behavior from an individual perspective, particularly in the context of survival and living standards in society [2] - The article discusses the roots of poverty and famine, highlighting that hunger is not solely a matter of food supply but also of distribution and power dynamics [3][4] - It mentions that poverty is a relative concept and understanding its true causes is essential for effective solutions, as proposed by Amartya Sen [3] Group 2 - The article outlines individual demand, consumption, and division of labor, referencing Keynes' theory of effective demand as a key driver for employment and output [5] - It explains that consumption is the ultimate goal of economic activity, leading to cooperation and division of labor among individuals and families [6][7] - The text also discusses the role of social cohesion and moral standards in economic life, as highlighted by Durkheim [7] Group 3 - The article describes the necessity for individuals to engage in market operations to accumulate wealth, emphasizing the role of free markets and the importance of government regulation [8][9] - It discusses mercantilism and the importance of trade balance in national wealth, suggesting that individuals can benefit from exporting their products [10] - The article highlights the significance of savings and investment, explaining that savings are a result of consumption behavior and investment decisions [10] Group 4 - Decision analysis is presented as crucial for individuals to navigate market opportunities and challenges, with a focus on understanding decision-making rules and their implications [11] - The article concludes that economics reflects the dynamic interplay between individual survival and development, emphasizing the continuous evolution of economic interactions [12]