Author

Avishek Bhandari

3 papers indexed here

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Open access Aug 2026

Benchmarking deep reinforcement learning and classical models for portfolio optimization across market efficiency regimes

A key puzzle in finance is why algorithmic traders with advanced neural models sometimes fail to beat simple traditional strategies, while in other cases they clearly outperform them. This study argues that such variation depends on how information is reflected in market prices. When markets are highly efficient, price...

H. Sahu, Avishek Bhandari · Discover Artificial Intellig... · 0 citations

Preprint Aug 2026

Measuring the Arrow of Time: Identification, Estimation, and Inference for Directional Structure in Multivariate Time Series

Many questions across the sciences take the same form: several coupled series are observed together, and the analyst wants to know not merely that they move together but which one moves first, and how strongly. This paper sets out a complete method built on one organising idea: the direction of a coupled system is exac...

Avishek Bhandari · 0 citations

Preprint Jul 2026

Choice at Finite Capacity: The Bounded Agent as an Information Channel and the Recovery of Walrasian Demand

Standard economics assumes the consumer as a flawless calculator who always buys the best basket it can afford. This paper models the shopper instead as a limited information channel: it compresses its world to the detail its attention affords, so its choice is a probability distribution, not a single basket. The textb...

Avishek Bhandari · 0 citations