·"'Reciprocal' State and Local Airport Spending Spillovers and Symmetric Responses to Cuts and Increases in Federal Airport Grants", Public Finance Review, Vol. 30, No. 1, January 2002, 41-55.

·"Spatial and Supply/Demand Agglomeration Economies: An Evaluation of State-and Industry-Linkages in the U.S. Food System", (joint with Catherine Morrison Paul), forthcoming in Empirical Economics.

·"Production Externalities, Integration and Growth: The Case of the European Union 'Single Market'", (joint with Catherine Morrison Paul), forthcoming in Growth and Development in the Global Economy, (Harry Bloch, ed.), Edward Elgar Press, 2002.

·"Airport Infrastructure Spillovers in a Hub and Spoke System", (joint with Catherine Morrison Paul), December 2001.

·"Does Ethics Training Neutralize the Incentives of the Prisoner's Dilemma? Evidence from a Classroom Experiment", (joint with Harvey S. James, Jr.), December 2001.

·"Agglomeration Economics and Industry Location Decisions: The Impacts of Vertical and Horizontal Spillovers", (joint with Catherine Morrison Paul), October 2001.

·"Public Infrastructure Investment, Inter-State Spatial Spillovers, and Manufacturing Costs", (joint with Catherine Morrison Paul), May 2001.