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1
Modeling the impacts of market activity on bid-ask spreads ..
NBER working paper series ; 7331
Copies:
Zentrale:Magazin bc 1286-7331
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2
Time-varying betas and asymmetric effects of news
empirical analysis of blue chip stocks
NBER working paper series ; 7330
Copies:
Zentrale:Magazin bc 1286-7330
1-2