Moral hazard: hidden actions - categories of asymetric information models

5 important questions on Moral hazard: hidden actions - categories of asymetric information models

Give exmamples of moral hazard with hidden actions and hidden knowledge

Legal services
car insurance
medical insurance

Voluntary insurance: see Akerlof, Section III.A: “why doesn’t the price rise to match the risk?”  Answer:

for individuals with good health the premium becomes too high and so they will leave

Insurance companies react by (extra) screening →see Akerlof, Section III.A:

“medical insurance is least available to those who need it most”
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Give examples of adverse selection

1 Individuals with good health might want to be known as healthy, depending on the premiums.

2. Good workers might want to be known as good, depending on how they are paid.

3. A high-quality producer would like to be known as such, but low-quality producers also would like to acquire a reputation for high-quality.

The result is that a market in which there is asymmetric information with respect to quality shows characteristics similar to those described by Gresham's Law:

the bad drives out the good.

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