本次美国代写是计量经济学的习题
Consider the dynamics programming problem we discussed in the class:
1. Solve the above problem using brute-force grid search method using only loops (do not use any matrix algebra). Plot the theoretical and numerical value and policy functions
2. Solve the above problem using brute-force grid search method by exploiting monotonicity of the policy function. Plot the theoretical and numerical value and policy functions
3. Solve the above problem using brute-force grid search method by exploiting the concavity of the objective function. Plot the theoretical and numerical value and policy functions
4. Solve the above problem using brute-force grid search method and use matrix algebra as much as you can to avoid the loops. Plot the theoretical and numerical value and policy functions
5. Prepare a table comparing the speed of the code in each four cases above.
6. Using the policy function simulate two economies for 100 periods: (1) starting from initial capital stock k0 = ¯ k (2) starting from initial capital stock k0 = k. Plot the evolution of these two economies on the same plot (The figure will have time in the x-axis and capital stock in the y-axis).
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