1. See Varian (1993) for a discussion of the substitution effect, income effect, and Giffen goods.
2. Bounded rationality and satisficing are discussed in Simon (1997).
3. Kotler and Armstrong (2010) is a popular text on marketing principles.
4. Stock and Watson (2007) is an established econometrics text.
5. One business forecasting text is a book authored by Hanke and Wichern (2009).