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SCIMA valintakori viitteet

lkm: 1
1.
On the estimation of bid-ask spreads : theory and evidence.
Journal of Financial and Quantitative Analysis
1988 : JUN, VOL. 23:2, p. 219-230
 1988 Choi, J. Y.
Salandro, D.
Shastri, K.
SCIMA