Prescott, B. and O. Shy. "The Burden of Cash and the Penny Policy Debate." Data source. Data and R-code.

Greene, C., B. Prescott, and O. Shy. "How People Pay Each Other: Data, Theory, and Calibrations." Data source. Data and R-code.

Shy, O. "College Education, Income Inequality, and Market Power." Data and R-code.