Could you please explain the solution? 15. A worker with access to a competitive wage W=500, can choose between a high effort level e=1or a low effort level e=0 with respective costs c(e=1)=50, c(e=0)=0 and operates a stochastic technology yielding a high level product Q (as opposed to a low level product a) with probability P=1/3 if e=1, or with probability p-1/4 if e=0 (under circumstances making it socially efficient a high effort level). Then, the efficiency wage of optimal contract of a risk-neutral principal is: a) 100 b) 500 c) 1000 d) 1100. e) none of the previous statements a-d is correct.

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