作者：Athey, S; Schmutzler, A
作者单位：Massachusetts Institute of Technology (MIT); National Bureau of Economic Research; University of Zurich
摘要：We analyze a model of oligopolistic competition with ongoing investment. Special cases include incremental investment, parent races, learning by doing, and network externalities, We investigate circumstances under which a firm with low costs or high quality will extend its initial lead through investments, To this end, we derive a new comparative statics result for general games with strategic substitutes, which applies to our investment game. Finally, we highlight plausible countervailing eff...
