Table 6 –
Reduced Form |
2SL |
|||||||
---|---|---|---|---|---|---|---|---|
Dependent Variable: # of Prescriptions | Advertised Drugs | Non-Advertised »Drugs: Generic | Non-Advertised Drugs: Brand | Total | Advertised Drugs | Non-Advertised »Drugs: Generic | Non-Advertised Drugs: Brand | Total |
| ||||||||
(1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | |
A. Instrument=Share65+ *Post | ||||||||
Post*Share65+ | 0.107*** | 0.100*** | 0.025*** | 0.233*** | ||||
(0.023) | (0.027) | (0.007) | (0.038) | |||||
Views per Person (Non-Elderly) | 0.017*** | 0.016*** | 0.004*** | 0.037*** | ||||
(0.004) | (0.005) | (0.002) | (0.008) | |||||
B. Instrument=High Elderly Share * Post | ||||||||
High Elderly Share*Post | 0.005*** | 0.006*** | 0.001 | 0.011*** | ||||
(0.001) | (0.002) | 0.000 | (0.002) | |||||
Views per Person (Non-Elderly) | 0.014*** | 0.016*** | 0.002 | 0.032*** | ||||
(0.005) | (0.005) | (0.002) | (0.008) | |||||
Mean of Dep. Var (pre- Part D) | 0.11 | 0.04 | 0.03 | 0.18 | 0.11 | 0.04 | 0.03 | 0.18 |
Zipcode x Condition x Quarter Obs | 107,345 | 107,345 | 107,345 | 107,345 | 107,345 | 107,345 | 107,345 | 107,345 |
Notes:
p<0.01,
p<0.05,
p<0.1. Clustered standard errors at the 3-digit ZIP code level; all specifications include quarter fixed effects, 3-digit ZIP code fixed effects, condition fixed effects. Includes the 50 chronic drugs that advertised during the study period and the drugs in the same classes that did not advertise. Non-advertised drugs are separated into generic and brand products. Data is from 2004–2010.