4 papers
Dynamically Consistent Statistical Decisions
Cheaheon Lim, Yechan Park
A large literature in econometrics proposes decision rules with optimality guarantees based on ex ante criteria, such as minimax regret. We develop a framework for analyzing the dy…
Partially Identified Ambiguity
Cheaheon Lim
This paper develops a theory of learning under ambiguity induced by the decision maker's beliefs about the collection of data correlated with the true state of the world. Within ou…
Estimating Social Norm Complementarities
Eliana La Ferrara, Cheaheon Lim, Davide Viviano
We develop a model of choice over social norms that allows for complementarities along two dimensions: \textit{technological}, analogous to complementarities between consumption go…
Resampled Mutual Information for Clustering and Community Detection
Cheaheon Lim
We introduce resampled mutual information (ResMI), a novel measure of clustering similarity that combines insights from information theoretic and pair counting approaches to cluste…