def CRRAutilityPPPP(c, gam):
    """
    Evaluates constant relative risk aversion (CRRA) marginal marginal marginal
    marginal utility of consumption c given risk aversion parameter gam.

    Parameters
    ----------
    c : float
        Consumption value
    gam : float
        Risk aversion

    Returns
    -------
    (unnamed) : float
        Marginal marginal marginal marginal utility
    """
    return -(gam + 2.0) * (gam + 1.0) * gam * c ** (-gam - 3.0)