Financial Frictions and Investment: Requiem in Q
Russell Cooper, João Ejarque
Review of Economic Dynamics, vol. 6, 2003, p. 710-728.

Financial Intermediation and Aggregate Fluctuations: A Quantitative Analysis
Russell Cooper, João Ejarque
Macroeconomic Dynamics, vol. 4, 2000, p. 423-447.

Financial Intermediation and the Great Depression: A Multiple Equilibrium Interpretation
Russell Cooper, João Ejarque
Carnegie Rochester Conference Series on Public Policy, vol. 43, 1995, p. 285-323.