Please use the utility function to explain what is risk aversion, risk preference and risk neutrality.

Individual's<br/>risk aversion degree decides specific allocation between a risky<br/>portfolio and a risk-free asset. ( )

All of the following are common personality characteristics of idea champions EXCEPT ________. A: extremely high self-confidence B: persistence C: energy D: risk aversion

Which concept is the description of "a decision maker would considers a risky investment only if it provides compensation for risk through a risky premium"about? A: the time value of money B: risk aversion C: EMH D: rational investors

Independent risk is more closely related to _______（ ）. A: unsystematic risk B: systematic risk C: common risk D: diversification risk

Which of the following is not one of the types of currency risk? A: Transaction risk B: Translation risk C: Liquidity risk D: Economic risk

Foreign exchange risk mainly includes ( ) A: transaction risk B: translation risk C: economic risk D: interest rate risk

Reinvestment risk is the risk that _________

If acceptable audit risk is low, and inherent risk and control risk are both low, then planned detection risk should be high. （ ）

The definition of the risk of material misstatement is 'Inherent Risk × Control Risk × Detection Risk.（ ）