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HAGENOHSENSER STR 15 EMMERTHAL GERMANY

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Business Description

Flexible Covariate Adjustments in Regression Discontinuity Designs, with Claudia Noack and Tomasz Olma, June 2024 [Online Appendix, arXiv]

Donut Regression Discontinuity Designs, with Claudia Noack, August 2023 (preliminary)

Bias-Aware Inference in Fuzzy Regression Discontinuity Designs, with Claudia Noack, Econometrica, (2024), 92, 687–711. [Online Appendix, R package, arXiv]

Inference in Regression Discontinuity Designs with High-Dimensional Covariates, with Alexander Kreiß, Econometrics Journal, (2023), 26, 105--123. [arXiv]

Bounds on Treatment Effects in Regression Discontinuity Designs with a Manipulated Running Variable, with Francois Gerard and Miikka Rokkanen, Quantitative Economics, (2020), 11, 839--870 [R package]

Estimating Derivatives of Function-Valued Parameters in a Class of Moment Condition Models, with Dominik Wied, Journal of Econometrics, (2020), 217, 1--19

Properties of Doubly Robust Estimators when Nuisance Functions are Estimated Nonparametrically, with Sergio Firpo, Econometric Theory, (2019), 35, 1048--1087

Inference in Regression Discontinuity Designs with a Discrete Running Variable, with Michal Kolesar, American Economic Review (2018), 108, 2277–2304. [Supplemental Material, R package, arXiv]

Robust Confidence Intervals for Average Treatment Effects under Limited Overlap, Econometrica (2017), 85, 645-660.

Semiparametric Estimation with Generated Covariates, with Enno Mammen and Melanie Schienle, Econometric Theory 32 (2016), 1140–1177.

A Discontinuity Test for Identification in Triangular Nonseparable Models, with Carolina Caetano and Nese Yildiz, Journal of Econometrics 193 (2016), 113–122.

Decomposing the Composition Effect, Journal of Business and Economic Statistics 33 (2015), 323--337. [R codes and data sets]

Misspecification Testing in a Class of Conditional Distributional Models, with Dominik Wied
Journal of the American Statistical Association, 108 (2013), 314–324.

Business Overview

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CHRISTOPH WIED offers a diverse range of products including fresh fruits, grain, wheat gluten, snacks, and lentils — a mix that appeals to both food manufacturers and retailers looking for flexible, non-traditional ingredients. Unlike typical suppliers who focus on one product line, this range suggests a broader market reach and potential for custom blending. However, the lack of verified contact details — including work email, phone, and business documents — raises concerns about legitimacy and responsiveness. Buyers should verify the company’s identity before placing large orders or sharing sensitive requirements. Without annual turnover or staff count, it's hard to assess scale or operational stability. This makes due diligence especially important when evaluating long-term partnerships.

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