Which of the following is a primary characteristic feature of an underdeveloped economy?

In a pure Capitalist Economy, what is the primary mechanism that ensures resources are directed toward the production of goods that consumers actually desire, often referred to as 'Consumer Sovereignty'?

Consider the following two statements about types of economies: Statement I: In a centrally planned economy, the government takes all major decisions regarding production, exchange, and consumption of goods and services. Statement II: In a market economy, economic activities are restricted to physical marketplaces where buyers and sellers must interact face-to-face. Which of the above statements is/are correct?