–weight of the evidence approach to decision making from the A Treatise on Probability, that Keynes integrated into the General … theorist like Keynes, is that decision makers are horribly ignorant of the laws of the probability calculus when making … decisions and thus make all kinds of errors and mistakes that could be corrected if the decision makers would restudy basic …

.The result of this misinterpretation and misrepresentation of Keynes's decision theory can be seen in the response of public …

additive interval estimate of probability or by a decision weight, like Keynes's original, path breaking innovation of his …

there is no vagueness or ambiguity ,so that there is no need for a second decision variable called the evidential weight of …

additive probabilities,sub additive probabilities, interval valued estimates, decision weights, etc, in Parts II, III, IV and V …