It is already simplified unless the variables have a value
1. Greater equality - redistribute income and wealth to improve equality of opportunity and equality of outcome.
2. Overcome market failure - markets fail to take into account externalities and are likely to under-produce public/merit goods.
3. Macroeconomic intervention - intervention to overcome prolonged recessions and reduce unemployment.
4. Disaster relief - only government can solve major health crisis such as pandemics.