Impact of Biosimilar Entry on the Effectiveness of Biologic Drug Manufacturers’ Detailing Strategies on Physician Prescribing Habits
by Kadin Thatcher Purath Abstract This paper investigates how the entry of biosimilars into biologic drug markets alters the effect of biologic detailing on physician prescribing habits. Using a panel dataset that links the Open Payments and Medicare Part D databases from 2014–2023, I study physician-level interactions with pharmaceutical firms and subsequent prescription behavior across […]
Understanding Financial Incentive Health Initiatives: The Impact of the Janani Suraksha Yojana Conditional Cash Transfer Program on Institutional Delivery Rates and Out-of- Pocket Health Expenditure
By Ritika Jain Demand-side financing is a policy tool used by nations to incentivize utilization of public institutions, and India’s Janani Suraksha Yojana (JSY) is one of the largest such financial incentive programs in the world. The program pays eligible pregnant women to deliver their babies in health institutions partnered with the program. This paper […]
Simultaneous Occurrence of Price Jumps and Changes in Diffusive Price Volatility
By Shunting Wei This paper uses high frequency financial data to study the changes in diffusive stock price volatility when price jumps are likely to have occurred. In particular, we study this effect on two levels. Firstly, we compare diffusive volatility on jump and non-jump days. Secondly, we study the change in diffusive volatility in […]
Time-Varying Beta: The Heterogeneous Autoregressive Beta Model
By Kunal Jain Conventional models of volatility estimation do not capture the persistence in high-frequency market data and are not able to limit the impact of market micro-structure noise present at very finely sampled intervals. In an attempt to incorporate these two elements, we use the beta-metric as a proxy for equity-specific volatility and use […]
