The optimal policy is one for which marginal increases or decreases in chosen inventory levels will not confer additional profits.
( ( The ( optimal policy ) ) ( ( is ( one ( ( for which ) ( ( ( marginal ( ( increases or ) decreases ) ) ( in ( chosen ( inventory levels ) ) ) ) ( ( will not ) ( confer ( additional profits ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ optimal) (NN policy)) (VP (VBZ is) (NP (NP (CD one)) (SBAR (WHPP (IN for) (WHNP (WDT which))) (S (NP (NP (JJ marginal) (NNS increases) (CC or) (NNS decreases)) (PP (IN in) (NP (VBN chosen) (NN inventory) (NNS levels)))) (VP (MD will) (RB not) (VP (VB confer) (NP (JJ additional) (NNS profits)))))))) (. .)))
The best policy should be sensitive to changes in select inventory levels.
( ( The ( best policy ) ) ( ( should ( be ( sensitive ( to ( changes ( in ( select ( inventory levels ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJS best) (NN policy)) (VP (MD should) (VP (VB be) (ADJP (JJ sensitive) (PP (TO to) (NP (NP (NNS changes)) (PP (IN in) (NP (JJ select) (NN inventory) (NNS levels)))))))) (. .)))