Example #1
0
    ss_args_exst = os.path.exists(ss_paramsfile)
    if (not ss_vars_exst) or (not ss_args_exst):
        # If the files don't exist, stop the program and run the steady-
        # state solution first
        err_msg = ('ERROR: The SS output files do not exist and ' +
                   'SS_solve=False. Must set SS_solve=True and ' +
                   'compute steady-state solution.')
        raise RuntimeError(err_msg)
    else:
        # If the files do exist, make sure that none of the parameters
        # changed from the parameters used in the solution for the saved
        # steady-state pickle
        ss_args = pickle.load(open(ss_paramsfile, 'rb'))
        cur_ss_args = (S, beta, sigma, l_tilde, b_ellip, upsilon, chi_n_vec, A,
                       alpha, delta, r_star, SS_tol, SS_EulDiff, hh_fsolve_SS)
        args_same = utils.compare_args(ss_args[:-1], cur_ss_args[:-1])
        if args_same:
            # If none of the parameters changed, use saved pickle
            print('RETRIEVE STEADY-STATE SOLUTIONS FROM FILE')
            ss_output = pickle.load(open(ss_outputfile, 'rb'))
        else:
            # If any of the parameters changed, end the program and
            # compute the steady-state solution
            err_msg = ('ERROR: Current ss_args are not equal to the ' +
                       'ss_args that produced ss_output. Must solve ' +
                       'for SS before solving transition path. Set ' +
                       'SS_solve=True.')
            raise RuntimeError(err_msg)
'''
------------------------------------------------------------------------
Solve for the transition path equilibrium by time path iteration (TPI)
Example #2
0
    ss_vars_exst = os.path.exists(ss_outputfile)
    ss_args_exst = os.path.exists(ss_paramsfile)
    if (not ss_vars_exst) or (not ss_args_exst):
        # If the files don't exist, stop the program and run the steady-
        # state solution first
        err_msg = ('ERROR: The SS output files do not exist and ' +
                   'SS_solve=False. Must set SS_solve=True and ' +
                   'compute steady-state solution.')
        raise RuntimeError(err_msg)
    else:
        # If the files do exist, make sure that none of the parameters
        # changed from the parameters used in the solution for the saved
        # steady-state pickle
        prev_ss_args = pickle.load(open(ss_paramsfile, 'rb'))

        args_same = utils.compare_args(ss_args, prev_ss_args)
        if args_same:
            # If none of the parameters changed, use saved pickle
            print('RETRIEVE STEADY-STATE SOLUTIONS FROM FILE')
            ss_output = pickle.load(open(ss_outputfile, 'rb'))
        else:
            # If any of the parameters changed, end the program and
            # compute the steady-state solution
            err_msg = ('ERROR: Current ss_args are not equal to the ' +
                       'ss_args that produced ss_output. Must solve ' +
                       'for SS before solving transition path. Set ' +
                       'SS_solve=True.')
            raise RuntimeError(err_msg)

'''
------------------------------------------------------------------------
Example #3
0
    if (not ss_vars_exst) or (not ss_args_exst):
        # If the files don't exist, stop the program and run the steady-
        # state solution first
        err_msg = ('ERROR: The SS output files do not exist and ' +
                   'SS_solve=False. Must set SS_solve=True and ' +
                   'compute steady-state solution.')
        raise RuntimeError(err_msg)
    else:
        # If the files do exist, make sure that none of the parameters
        # changed from the parameters used in the solution for the saved
        # steady-state pickle
        ss_args = pickle.load(open(ss_paramsfile, 'rb'))
        cur_ss_args = (J, S, lambdas, emat, beta, sigma, l_tilde,
                       b_ellip, upsilon, chi_n_vec, A, alpha, delta,
                       SS_tol, SS_EulDiff)
        args_same = utils.compare_args(ss_args, cur_ss_args)
        if args_same:
            # If none of the parameters changed, use saved pickle
            print('RETRIEVE STEADY-STATE SOLUTIONS FROM FILE')
            ss_output = pickle.load(open(ss_outputfile, 'rb'))
        else:
            # If any of the parameters changed, end the program and
            # compute the steady-state solution
            err_msg = ('ERROR: Current ss_args are not equal to the ' +
                       'ss_args that produced ss_output. Must solve ' +
                       'for SS before solving transition path. Set ' +
                       'SS_solve=True.')
            raise RuntimeError(err_msg)

'''
------------------------------------------------------------------------