activity
20182025
most citedFinancial Performance and Innovation: Evidence From USA, 1998-2023

1 citations · 1 across the 6 of their papers we have counts for

collaborators

7 papers

stat.CO2025

srvar-toolkit: A Python Implementation of Shadow-Rate Vector Autoregressions with Stochastic Volatility

Charles Shaw

We introduce srvar-toolkit, an open-source Python package for Bayesian vector autoregression with shadow-rate constraints and stochastic volatility. The toolkit implements the meth…

stat.AP2025

A Path Signature Framework for Detecting Creative Fatigue in Digital Advertising

Charles Shaw

This paper introduces a signature-based framework for detecting advertising creative fatigue using path signatures, a geometric representation from rough path theory. Creative fati…

stat.AP2025

Optimized Supergeo Design: A Scalable Framework for Geographic Marketing Experiments

Charles Shaw

Geographic experiments are a widely-used methodology for measuring incremental return on ad spend (iROAS) at scale, yet their design presents significant challenges. The unit count…

econ.EM2025

Model Risk in Machine-Learning Distributional IV Estimation

Charles Shaw

We study model risk in machine-learning estimation of the Distributional Instrumental Variable Local Average Treatment Effect (D-IV-LATE), the distributional IV effect for the subp…

econ.GN2024★ 1 cited

Financial Performance and Innovation: Evidence From USA, 1998-2023

Panteleimon Kruglov, Charles Shaw

This study explores the relationship between R&D intensity, as a measure of innovation, and financial performance among S&P 500 companies over 100 quarters from 1998 to 2023, inclu…

q-fin.PM2022

Portfolio Diversification Revisited

Charles Shaw

We relax a number of assumptions in Alexeev and Tapon (2012) in order to account for non-normally distributed, skewed, multi-regime, and leptokurtic asset return distributions. We…

q-fin.ST2018

Conditional heteroskedasticity in crypto-asset returns

Charles Shaw

This paper examines the time series properties of cryptocurrency assets, such as Bitcoin, using established econometric inference techniques, namely models of the GARCH family. The…