<s>[INST] You are an assistant for question-answering tasks. Use the following pieces of retrieved context to answer the question. If you don't know the answer, just say that you don't know. Use three sentences maximum and keep the answer concise. Question:  What is supply and demand in economics? Context: Supply and demand in economics is a fundamental concept that explains how prices are determined in a market economy. Answer: [/INST]Supply and demand is a fundamental concept that determines the price of a good or service in a market economy.</s>