Publications

The cemmap working paper series publishes papers expanding the frontiers of knowledge in microdata methods and practice. Martin Weidner is the editor of the working paper series.

Causal state-dependent local projections

State-dependent local projections (LPs) are widely used to study how causal effects vary as a function… Continue reading.

Joel M. David, Raffaella Giacomini, Xiya Jiao, Weining Wang
September 2026

CWP16/26

Long-run trends in corporate investment and leverage in the UK: a decomposition

Since the 2008 Global Financial Crisis, the UK has experienced persistently weak productivity and corporate investment… Continue reading.

Aitor Irastorza-Fadrique, Lars Nesheim, Peter Levell
September 2026

CWP15/26

Binary classification with the maximum score model and linear programming

This paper presents a computationally efficient method for binary classification using Manski’s (1975, 1985) maximum score… Continue reading.

Joel L. Horowitz, Sokbae (Simon) Lee
September 2026

CWP14/26

Previous version

Binary classification with the maximum score model and linear programming
Joel L. Horowitz, Sokbae Lee
August 2025 | CWP16/25
Robust signal maximization in spillover experiments

We study the optimal design and analysis of experiments for estimating spillover effects. Assuming a known… Continue reading.

Kirill Borusyak, Peter Hull, Evan Munro
August 2026

CWP13/26

Identifying relationship-level effects using covariance restrictions

We propose a novel decomposition to identify relationship-specific effects or shocks in a bipartite network under… Continue reading.

Olivier De Jonghe, Daniel Lewis
July 2026

CWP12/26

Previous version

Identifying relationship-level effects using convariance restrictions
Olivier De Jonghe, Daniel Lewis
April 2026 | CWP06/26
The projection solution to the incidental parameter problem

This paper introduces a new approach to econometric analysis of nonlinear panel data models when the… Continue reading.

Andrew Chesher, Adam Rosen, Yuanqi Zhang
July 2026

CWP11/26

Identification and estimation of semiparametric multilayered sample selection models

Many selection problems are multilayered: agents first decide whether to participate and then sort among ordered… Continue reading.

Dongwoo Kim
May 2026

CWP10/26

Semi-nonparametric models of multidimensional matching: an optimal transport approach

This paper develops a set of empirically tractable and flexible sieve estimators for semi nonparametric multidimensional… Continue reading.

Dongwoo Kim, Young Jun Lee
May 2026

CWP09/26

Previous version

Partial identification of the valuation distribution in sequential English auctions

This paper extends the incomplete model of Haile and Tamer (2003) from static English auctions to… Continue reading.

Dongwoo Kim, Kyoo il Kim, Pallavi Pal
May 2026

CWP08/26

Plausible GMM: a quasi-bayesian approach

Structural estimation in economics often makes use of models formulated in terms of moment conditions. While… Continue reading.

Victor Chernozhukov, Christian Hansen, Lingwei Kong, Weining Wang
May 2026

CWP07/26

Previous version

Plausible GMM: a quasi-bayesian approach
Victor Chernozhukov, Christian Hansen, Lingwei Kong, Weining Wang
July 2025 | CWP14/25
Identifying relationship-level effects using convariance restrictions

We propose a new model in which relationship-specific effects or shocks are identified in a bipartite… Continue reading.

Olivier De Jonghe, Daniel Lewis
April 2026

CWP06/26

Previous version

Identifying heterogeneous supply and demand shocks in European credit markets
Olivier De Jonghe, Daniel Lewis
February 2025 | CWP08/25
Small area consumption estimates combining survey and financial footprints data

We use small-area estimation methods that combine information from a household budget survey, a much larger… Continue reading.

Peter Levell, Lars Nesheim, Gautam Vyas
April 2026

CWP05/26

Carbon regulation and competition in the European airline industry

The European Union Emissions Trading System is set to substantially increase the effective carbon price faced… Continue reading.

Ertian Chen, Lichao Chen, Lars Nesheim
March 2026

CWP04/26

Optimal formula instruments

When estimating the effects of treatments defined by complex formulas, researchers often use simple functions of… Continue reading.

Kirill Borusyak, Peter Hull
March 2026

CWP03/26

Previous version

Optimal formula instruments
Kirill Borusyak, Peter Hull
March 2025 | CWP09/25
Nonparametric identification of demand without exogenous product characteristics

We study identification of differentiated product demand from market level data when product characteristics can be… Continue reading.

Kirill Borusyak, Jiafeng Chen, Peter Hull, Lihua Lei
February 2026

CWP02/26

Weak instrument bias in impulse response estimators

We approximate the finite-sample distribution of impulse response function (IRF) estimators that are just-identified with a… Continue reading.

Daniel Lewis, Karel Mertens
January 2026

CWP01/26