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Interaction Effects and Difference-in-Difference Estimation in Loglinear Models

Mullahy, John - 1999

In applied econometric work, analysts are concerned often with estimation of and inferences about interaction effects, e.g. 'Does the magnitude of the effect of z1 on y depend on z2? ' This paper develops tests for and proper interpretation of various forms of interaction effects in one...

Persistent link: https://www.econbiz.de/10012471373

Benefit Plan Design and Prescription Drug Utilization Among Asthmatics : Do Patient Copayments Matter?

Crown, William H. - 2003

Objective: The ratio of controller to reliever medication use has been proposed as a measure of treatment quality for asthma patients. In this study we examine the effects of plan level mean out-of-pocket asthma medication patient copayments and other features of benefit plan design on the use...

Persistent link: https://www.econbiz.de/10012468632

Estimating the Heterogeneous Welfare Effects of Choice Architecture : An Application to the Medicare Prescription Drug Insurance Market

Ketcham, Jonathan D. - 2016

We develop a structural model for bounding welfare effects of policies that alter the design of differentiated product markets when some consumers may be misinformed about product characteristics and inertia in consumer behavior reflects a mixture of latent preferences, information costs,...

Persistent link: https://www.econbiz.de/10012455948

Bunching at the Kink : Implications for Spending Responses to Health Insurance Contracts

Einav, Liran - 2016

A large literature in empirical public finance relies on "bunching" to identify a behavioral response to non-linear incentives and to translate this response into an economic object to be used counterfactually. We conduct this type of analysis in the context of prescription drug insurance for...

Persistent link: https://www.econbiz.de/10012456308

Which Models Can We Trust to Evaluate Consumer Decision Making? Comment on “Choice Inconsistencies among the Elderly”

Ketcham, Jonathan D. - 2015

enrollment decisions in Medicare Part D from 2006-2010 satisfied basic axioms of consumer preference theory under the assumptions …

Persistent link: https://www.econbiz.de/10012457281

Beyond Statistics : The Economic Content of Risk Scores

Einav, Liran - 2015

In recent years, the increased use of "big data" and statistical techniques to score potential transactions has transformed the operation of insurance and credit markets. In this paper, we observe that these widely-used scores are statistical objects that constitute a one-dimensional summary of...

Persistent link: https://www.econbiz.de/10012457363

The Welfare Effects of Supply-Side Regulations in Medicare Part D

Decarolis, Francesco - 2015

The efficiency of publicly-subsidized, privately-provisioned social insurance programs depends on the interaction between insurer behavior and public subsidies. We study this interaction within Medicare Part D Prescription Drug Plan (PDP) markets. Using a structural model of supply and demand,...

Persistent link: https://www.econbiz.de/10012457369

Patient Responses to Incentives in Consumer-directed Health Plans : Evidence from Pharmaceuticals

Huckfeldt, Peter J. - 2015

use of pharmaceuticals for chronic diseases. We compare two large firms where nearly all employees were switched to CDHPs … to firms with conventional health insurance plans. In the first firm's CDHP, pharmaceuticals were subject to the … deductible, while in the second firm pharmaceuticals were exempt. Employees in the first firm shifted the timing of drug …

Persistent link: https://www.econbiz.de/10012457739

The Impact of Health Insurance Expansion on Physician Treatment Choice : Medicare Part D and Physician Prescribing

Hu, Tianyan - 2014

We test the effect of the introduction of Medicare Part D on physician prescribing behavior by using data on physician visits from the National Ambulatory Medical Care Survey (NAMCS) 2002-2004 and 2006-2009 for patients aged 60-69. We use a combined DD-RD specification that is an improvement...

Persistent link: https://www.econbiz.de/10012457958

The RAND Health Insurance Experiment, Three Decades Later

Aron-Dine, Aviva - 2012

We re-present and re-examine the analysis from the famous RAND Health Insurance Experiment from the 1970s on the impact of consumer cost sharing in health insurance on medical spending. We begin by summarizing the experiment and its core findings in a manner that would be standard in the current...

Persistent link: https://www.econbiz.de/10012460018