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Microeconometrics Group Seminar February 3, 2022

February 3 @ 8:00 pm - 9:30 pm EST

Title: Identification and Estimation of Dynamic Random Coefficient Models
Presenter: Wooyong Lee (University of Technology Sydney)
Abstract: 
This paper studies dynamic panel data linear models that allow multiplicative and additive heterogeneity in a short panel context by allowing both the coefficients and intercept to be individual-specific. I show that the model is not point-identified and yet partially identified, and I characterize the sharp identified sets of the mean, variance, and distribution of the partial effect distribution. The characterization applies to both discrete and continuous data. A computationally feasible estimation and inference procedure is proposed, based on a fast and exact global polynomial optimization algorithm. The method is applied to study lifecycle earnings and consumption dynamics in U.S. households in the Panel Study of Income Dynamics (PSID) dataset. Results suggest large heterogeneity in earnings persistence and earnings elasticity of consumption, and a strong correlation between the two. Calibration of the lifecycle model suggests that heterogeneity in asset-related factors, such as interest or discount rates, is required to describe real-world consumption and savings behaviors accurately.
 
Zoom Link to the seminar
 
 
Meeting ID: 996 9513 7148
Passcode: kaea-vss
8-9pm: Presentation
9-9:15pm: Discussion and Q&A
9:15-9:30pm: Breakout room social
9:30pm: Adjourn

Details

Date:
February 3
Time:
8:00 pm - 9:30 pm EST

Organizer

Suyong Song
Email:
suyong-song@uiowa.edu

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