Competition in some markets is a contest. Sellers compete for contracts by
making promotional efforts. As in an all-pay auction, effort cannot be reco
vered even if the seller is not awarded the contract. The equilibrium locat
ion choices of sellers in a spatial model if firms compete for customers in
an all-pay auction are the same as in the standard spatial price discrimin
ation model. However, in contrast to spatial price discrimination, these lo
cation choices are inefficient if sellers' competition for customers is a c
ontest. (C) 2000 Elsevier Science B.V. All rights reserved.