Unified Asymptotics for Investment Under Illiquidity: Transaction Costs and Search Frictions
Mathematical Finance, Volume 36, Issue 1, Page 67-98, January 2026.ABSTRACT This paper investigates the optimal investment problem in a market with two types of illiquidity: transaction costs and search frictions. We analyze a power‐utility maximization problem where an investor encounters proportional transaction costs and trades only when a Poisson process triggers trading opportunities.
Tae Ung Gang, Jin Hyuk Choi
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