Syam, N.

consumer product information type firm market price stage customization product market quality type consumers information market producer equilibrium competition type consumer interaction input consumer-producer interaction compensation marketing utility profit issue 2 y 2 monopoly result 1 y 2 1 y 1 monopoly case process trade press consumer-producer problem customization requirements preference equilibrium prices stage problem value constraint business consumer input consumer information proposition model n l 1 purchase condition customize press customer mass customization non-customized products 2 n l 0 2 surplus pricing research paper charge seller business week feature sense interest communication non-customized 2 1 trade y 2 subject relationship period c 2 y manufacturer cn l 1 subject requirement buyer customizer 2 2