The correct answer is C. Socio-cultural factors.
Economic policies, economic planning, and macro-economic scenario are all related to the economy. Socio-cultural factors, on the other hand, are related to society and culture.
Economic policies are the actions taken by a government to influence the economy. They can include things like taxes, spending, and interest rates. Economic planning is the process of setting goals for the economy and developing strategies to achieve those goals. Macro-economic scenario is a description of the overall state of the economy, including things like inflation, unemployment, and GDP growth.
Socio-cultural factors are the beliefs, values, and customs of a society. They can have a significant impact on the economy, for example by influencing consumer spending and business investment.
In conclusion, the odd one out is C. Socio-cultural factors.