The matching problem (and inventories) in private negotiation.

[Q.sup.comp] 4 4 PN(MPJY) No <[Q.sup.comp] 4 4 PN(MPJY,CS) Yes <[Q.sup.comp] 4 4 PN(CS) Yes <[Q.sup.comp] 2 4 PN(CS) Yes <[Q.sup.comp] 4 2 PN(CS) Yes <[Q.sup.comp] No. of Resulting Buyer/Seller Buyers Price (b) Matches Many [P.sup.comp] Many 4 [P.sup.comp] Many 4 >[P.sup.comp] Many 4 >[P.sup.comp] -- 4 [P.sup.comp] 3 4 <[P.sup.comp] 3 4 <[P.sup.comp] 5 2 <[P.sup.comp] 5 4 [P.sup.comp] 5 * Sources: The laboratory results presented here are only those from selected literature reviewed in this study, along with those from the current study. These include: PMK--Phillips, Menkhaus, and Krogmeier (2001); MPB-Menkhaus, Phillips, and Bastian (2003); MPJY-Menkhaus et al. (2003); and CS--Current Study. (a) CEM--Competitive Equilibrium Model; DA--Double Auction; EA--English Auction; PN--Private Negotiation. (b) [Q.sup.comp]--Competitive Quantity Traded; [P.sup.comp]--Competitive Price.