What are the non production transactions which are excluded in the calculation of GDP?

Non-production transactions excluded from GDP calculations include financial transactions such as the buying and selling of stocks and bonds, transfer payments like social security or unemployment benefits, and secondhand sales. These transactions do not reflect the production of new goods and services in the economy. Additionally, activities such as household labor and volunteer work, while valuable, are not included due to their non-market nature. GDP focuses solely on the market value of final goods and services produced within a country during a specific period.