Risk and efficiency management is the main task of economics.
We consider procedures of logic and probabilistic (LP) management of risk and efficiency in classes of modeling, classification, efficiency, and forecasting and also describe operative and strategic management of risk.
The management of social and economic processes is performed by managers by investing resources for changing influencing processes and events and their probabilities, including personnel training.
We calculate contributions and significance of initiating events in the final event of social, engineering and economic systems and processes and in their distribution tails.
LP-management of the system risk and efficiency is demonstrated in various applications: credit risk, restaurant business, risk of portfolio assets, risk of bribery and corruption, etc. Strategic management of development is carried out by the scheme of management of a complex object. We manage traffic on the chosen path and correction of deviation from it.