Nonparametric Inference for a Triangular System of Equations for Quantile Regression

Yubin Kim, Sungwon Lee

In this study, we consider nonparametric estimation and inference for quantile regression (QR) with endogenous regressors. We extend the semiparametric triangul...

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DOI: https://doi.org/10.22904/sje.2025.38.1.001

Convergence Rates of GMM Estimators with Nonsmooth Moments under Misspecification

Byunghoon Kang, Seojeong Lee, Juha Song

The asymptotic behavior of generalized method of moments (GMM) estimators depends critically on whether the underlying moment condition model is correctly speci...

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DOI: https://doi.org/10.22904/sje.2025.38.1.002

Recent Applications of Generalized Instrumental Variable Models

Dongwoo Kim

This study comprehensively reviews recent developments in the application of the generalized instrument variable (GIV) framework introduced by . The GIV framewo...

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DOI: https://doi.org/10.22904/sje.2025.38.1.003

Identifying Fixed-effects Models with Heterogeneous Coefficients

Wooyong Lee

This review provides an introduction to identification and estimation methods for fixed-effects models with heterogeneous coefficients, which require identifica...

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DOI: https://doi.org/10.22904/sje.2025.38.1.004

Economic Development and Changing Socioeconomic Differences in Health: Evidence from South Korea, 1946–1977

Chulhee Lee

This study examines how socioeconomic differences in health change with improvements in economic and environmental conditions in South Korea. Using a newly coll...

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DOI: https://doi.org/10.22904/sje.2025.38.1.005

Wealth Effects When the Cost of Effort is Money

Jin Yong Jung

We study the effects of the agent’s wealth on the agency cost and the principal’s profit in the principal-agent model in which the agent’s effort entails a mone...

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DOI: https://doi.org/10.22904/sje.2025.38.1.006