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Full-Text Articles in Economics
Algorithmic Transparency, Jian Sun
Algorithmic Transparency, Jian Sun
Research Collection Lee Kong Chian School Of Business
I study the optimal algorithmic disclosure in a lending market where lenders use a predictive algorithm to mitigate adverse selection. The predictive algorithm is unobservable to borrowers and uses a manipulable borrower feature as input. A regulator maximizes market efficiency by disclosing information about the statistical properties of variables embedded in the predictive algorithm to borrowers. Under the optimal disclosure policy, the posterior belief consists of two disjoint regions in which the borrower feature is more relevant and less relevant in predicting borrower quality, respectively. The optimal disclosure policy differentiates posterior lending market equilibria by the equilibrium data manipulation levels. …
Endogenous Categorization In Insurance, Mattias K. Polborn
Endogenous Categorization In Insurance, Mattias K. Polborn
Mattias K Polborn
This paper analyzes the welfare properties of equilibrium when insurers use observable actions to classify consumers into different risk categories, and consumers' choice is influenced by the insurance market consequences of their actions. Specifically, we analyze this problem at the example of a car insurance market, in which individual preferences over car types are correlated with risk type and used by insurance firms for ratemaking. Equilibrium premiums for each car are determined by the losses that it generates. Consumers take insurance premiums into account when deciding which car to buy. This creates an incentive to buy the car that is …