quantity equation การใช้

• This graph should give a better understanding of the derivation of the optimal ordering quantity equation, i . e ., the EPQ equation
• He wrote In the Tract on Monetary Reform ( 1924 ), Keynes developed his own quantity equation : n = p ( k + rk'), where n is the number of " currency notes or other forms of cash in circulation with the public ", p is " the index number of the cost of living ", and r is " the proportion of the bank's potential liabilities ( k') held in the form of cash . " Keynes also assumes " . . . the public, ( k') including the business world, finds it convenient to keep the equivalent of k consumption in cash and of a further available k'at their banks against cheques . . . " So long as k, k', and r do not change, changes in n cause proportional changes in p.