Group 1 - The "old-for-new" policy has shown positive and significant effects, with 330 million people applying for subsidies and over 10 million applications for automobile subsidies. Retail sales related to these products have maintained double-digit growth in the first three quarters [1] - The government has allocated 300 billion yuan in special bonds for the "old-for-new" subsidies, which have all been distributed [1] - The increase in service consumption is attributed to the rising living standards of residents, leading to a shift from goods consumption to a balance between goods and services [3] Group 2 - The implementation of the "old-for-new" policy has prompted companies to expand production and invest in research and development to meet market demand, enhancing their competitiveness and profit levels [4] - Regulatory measures are being enhanced to prevent unfair competition, including the use of big data for comprehensive monitoring of businesses [2] - There is a suggestion for post-purchase tracking to ensure full-chain regulation of consumer purchases [2]

Group 1 - The "old-for-new" policy has shown significant positive effects, with 330 million people applying for subsidies and over 10 million applications for automobile subsidies [1] - In the first three quarters, retail sales of consumer goods related to the "old-for-new" policy, including home appliances and audio equipment, maintained double-digit growth [1] - The government has allocated 300 billion yuan in special bonds for the "old-for-new" subsidies, which have all been distributed [1] Group 2 - The government is enhancing regulatory measures to prevent unfair competition, including price manipulation and substandard products, using "Internet + big data" for comprehensive oversight [2] - There is a recommendation for post-purchase tracking to ensure full-chain regulation of consumer purchases [2] Group 3 - As residents' living standards improve, there is a shift in consumption patterns from primarily goods to a balance of goods and services, leading to rapid growth in service consumption [3] - The demand for services is increasing alongside the upgrading of physical goods, indicating a need for policies to adapt to diverse consumer demands [3] Group 4 - The "old-for-new" policy encourages companies to expand production and invest in research and development to meet changing market demands, enhancing competitiveness and profit levels [4]