TRANSACTIONS COSTS AND PORTFOLIO CHOICE IN A DISCRETE-CONTINUOUS-TIME SETTING

被引:80
作者
DUFFIE, D
SUN, TS
机构
[1] Stanford University, Stanford
关键词
D O I
10.1016/0165-1889(90)90004-Z
中图分类号
F [经济];
学科分类号
02 ;
摘要
This paper makes the following observation concerning a new formulation of the consumption and portfolio choice model of Merton (1971), with transaction costs. Suppose an investor observes his or her current wealth only when making a transaction, that transactions are costly, and that decisions to transact can be made at any time based on all current information. If, at each transaction, the agent is charged a fixed fraction of current portfolio value, an optimal policy exists and the optimal interval of time between transactions is fixed, independent of time and current wealth. © 1990.
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页码:35 / 51
页数:17
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