"The General Theory of Trade" is a key work by Richard Cantillon, an Irish economist and entrepreneur, written in the 18th century. This book represents one of the earliest and most important works of classical economic theory and has a significant influence on contemporary economic studies. Cantillon's "General Theory of Trade" explores various aspects of trade and economics. The author delves into concepts such as prices, production, profit, and the role of money in the economy. One of the key questions Cantillon analyzes is the role of entrepreneurs and their impact on economic development. He emphasizes that entrepreneurs are the key drivers of economic growth as they combine resources and create new opportunities for profit. Their role in fostering innovation and creating new markets is crucial for the prosperity of the economy. Cantillon also highlights the importance of competition and free markets in achieving economic well-being. He believes that free markets and competition are essential factors that promote efficient resource allocation and incentivize entrepreneurial activity. This idea of market equilibrium and the role of competition remains relevant today and is applied in contemporary economic analyses. Another significant concept that Cantillon discusses is the quantity of money and its impact on the economy. He emphasizes the idea of the "Cantillon effect," whereby changes in the quantity of money first reflect on those who receive it directly, rather than being evenly distributed throughout the entire economy. This theory has important implications for understanding inflation, prices, and monetary policy. Cantillon's "General Theory of Trade" continues to have a strong impact on economic theories and contributes to our understanding of trade, entrepreneurship, and economic development. His ideas are still studied and analyzed in academic circles, and his works serve as a foundation for further economic discussions. Contemporary economists often refer to Cantillon to gain a better understanding of economic phenomena and to make informed economic decisions.