When should we use analysis and risk management?

They are both used in any planning process.

As soon as the initiation of the project by dealing with the cost benefit analysis and any kind of existing and needed resources.

in the needs assessment phase to analyse and understand the main risks for each optiion we have to pick a project whiich result a solution.

I use analysis when i find another pries for my goods and for the risk management when i find there is relay dangerous against my company.

you start in the initation phase. However, risk management and analysis is a continuous proccess.