Why are pharmacy acquisition costs and consumer prescription drug price indices apparently diverging?

2020 ◽  
Vol 29 (12) ◽  
pp. 1721-1727
Author(s):  
Carolyn Wolff ◽  
Randall Lutter
2021 ◽  
Vol 111 ◽  
pp. 554-559
Author(s):  
Zach Y. Brown ◽  
Jihye Jeon

In markets with complicated products such as insurance, why do firms offer many products even when consumers appear to receive little benefit? We show that when consumers face information acquisition costs, firms may have an incentive to introduce many undifferentiated products. This allows firms to gain market share and increase markups. We document initial evidence consistent with the model using data from Medicare prescription drug insurance. Insurers that offer more duplicate or similar plans have higher-cost plans. These results suggest a role for policymakers to restrict product proliferation in markets with complicated products.


2010 ◽  
Vol 16 (9) ◽  
pp. 680-692
Author(s):  
Norman V. Carroll ◽  
Matthew P. Mitchell ◽  
H. Eric Cannon ◽  
Bryan W. York ◽  
Robert S. Oscar

2003 ◽  
Vol 6 (6) ◽  
pp. 714-715
Author(s):  
V Jormanainen ◽  
J Hahl ◽  
S Aaltonen
Keyword(s):  

2018 ◽  
Vol 21 ◽  
pp. S156
Author(s):  
I. Hernandez ◽  
C.B. Good ◽  
W.F. Gellad ◽  
N. Parekh ◽  
M. He ◽  
...  

2006 ◽  
Vol 9 (6) ◽  
pp. A213
Author(s):  
J Hahl ◽  
S Aaltonen ◽  
V Jormanainen
Keyword(s):  

JAMA ◽  
2020 ◽  
Vol 323 (9) ◽  
pp. 826 ◽  
Author(s):  
Chaarushena Deb ◽  
Gregory Curfman

2017 ◽  
Vol 177 (8) ◽  
pp. 1185 ◽  
Author(s):  
Stacie B. Dusetzina ◽  
Rena M. Conti ◽  
Nancy L. Yu ◽  
Peter B. Bach

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