Suppose Martha earns an of income 400 Birr currently, and her utility function is given by: U(m) = 4m, where m represents income. She has two options: Option 1: to buy a share. If she is successful her income will be 700 Birr and if she is not successful her income will be 100 Birr. Option 2: to do nothing and keep on earning 400 Birr. Assuming that success and failure are equally likely, a) What would be her expected income if she buys the share? b) What would be her expected utility of buying the share? c) Would Martha buy the share? Why? d) Is Martha risk averse, risk lover or risk neutral?
Suppose Martha earns an of income 400 Birr currently, and her utility function is given by: U(m)
= 4m, where m represents income. She has two options:
Option 1: to buy a share. If she is successful her income will be 700 Birr and if she is not
successful her income will be 100 Birr.
Option 2: to do nothing and keep on earning 400 Birr. Assuming that success and failure are
equally likely,
a) What would be her expected income if she buys the share?
b) What would be her expected utility of buying the share?
c) Would Martha buy the share? Why?
d) Is Martha risk averse, risk lover or risk neutral?


