John Panzar has characterized street delivery as a bottleneck function because a single firm can deliver to a recipient at a lower total cost than multiple firms delivering to the same customer.
( ( John Panzar ) ( ( has ( ( characterized ( street delivery ) ) ( as ( ( a bottleneck ) ( function ( because ( ( a ( single firm ) ) ( can ( ( deliver ( to ( a recipient ) ) ) ( at ( ( a ( lower ( total cost ) ) ) ( than ( ( multiple firms ) ( delivering ( to ( the ( same customer ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP John) (NNP Panzar)) (VP (VBZ has) (VP (VBN characterized) (NP (NN street) (NN delivery)) (SBAR (IN as) (S (NP (DT a) (NN bottleneck)) (VP (VBP function) (SBAR (IN because) (S (NP (DT a) (JJ single) (NN firm)) (VP (MD can) (VP (VB deliver) (PP (TO to) (NP (DT a) (JJ recipient))) (PP (IN at) (NP (NP (DT a) (JJR lower) (JJ total) (NN cost)) (PP (IN than) (NP (NP (JJ multiple) (NNS firms)) (VP (VBG delivering) (PP (TO to) (NP (DT the) (JJ same) (NN customer))))))))))))))))) (. .)))
John Panzar believes in nationalizing all postal delivery services and couriers into a single entity for cost-saving purposes.
( ( John Panzar ) ( ( believes ( in ( ( nationalizing ( all ( postal ( delivery ( ( services and ) couriers ) ) ) ) ) ( into ( ( a ( single entity ) ) ( for ( cost-saving purposes ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP John) (NNP Panzar)) (VP (VBZ believes) (PP (IN in) (S (VP (VBG nationalizing) (NP (DT all) (JJ postal) (NN delivery) (NNS services) (CC and) (NNS couriers)) (PP (IN into) (NP (NP (DT a) (JJ single) (NN entity)) (PP (IN for) (NP (JJ cost-saving) (NNS purposes))))))))) (. .)))