Banks could be like utilities / nationalized
Banks could be over-leveraged to hedge funds and private equity
Government spending could not be constrained by revenues
Inflation could be lowered with elevated interest rates / an economic recession
Excessive government spending could cause inflation
The U.S. Federal Reserve system could be replaced with the gold standard, computer program, or be more accountable / transparent / audited
The shadow banking system could be regulated more
Too big to fail banks could be broken up
Congress, congressional staff, cabinet secretaries, White House staff, federal judges, other officials and their family members could not own / trade securities in office
Quantitative easing by central banks could be bad for economies and national debts
Anti-money laundering laws and technology could negatively impact genocide, human trafficking, drug cartels, corruption, and other organized crime