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textbf{Exercise #10.} Consider the following problem faced by an employed worker. The worker begins a period with wage $w$ and has to decide whether to
\textbf{Exercise \#10.} Consider the following problem faced by an employed worker. The worker begins a period with wage $w$ and has to decide whether to keep working or retiring instead. The retirement decision is irreversible. Once retired, the worker obtains a pension $c > 0$ in each subsequent period of her life. The worker lives forever. If in a period $t$ the worker chooses to work (rather than retire), in period $t+1$, with probability $p$ the wage at which she can work remains the same as in $t$. With probability $1-p$, instead, in $t+1$ the worker draws a new wage from the CDF $F(w)$ with support in $[0, B]$. Wage draws are independent and identically distributed over time. The worker maximizes the present discounted value of her income and discounts the future at the rate $\beta < 1$. \begin{enumerate} \item[(a)] Write down the problem described above in dynamic programming form. In particular, derive the Bellman equation for this worker. Let $V(w)$ denote the value function of a worker with wage $w$ in hand before making her retirement decision
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