| Mas-Colell, Andreu; Winston, Michael D | Goodwin; Nelson; Ackerman; Weisskopf 2009 |
|---|---|
| Schumpeter, Joseph Alois; Schumpeter, Elizabeth Boody 1994 | Wall, Stuart; Griffiths, Alan 2008 |
| Schumpeter, Joseph Alois; Schumpeter, Elizabeth Boody 1994 | New York: Oxford University Press |
|---|---|
| Englewood Cliffs, NJ: Prentice Hall | ; Farley, Thomas; Willett, Walter C |
; Grossman, Michael; Saffer, Henry 2002.