Consider the following two opinions, both of which can be found in the literature of consumer demand systems: (a) As the real income of a consumer becomes indefinitely large, re-mixing the consumption bundle becomes irrelevant: having chosen the ultimately satisfying budget shares at any given...

The application of compositional data analysis methods in economics has some attraction. In particular, this methodology ensures that the stochastic component of budget share models will satisfy the restriction of shares to the unit simplex. The methodology relies upon the use of log-ratios in...

A macro model incorporating rational expectations in financial markets (the Murphy Model - MM) is used to endogenize the macroeconomic environment for a comprehensive general equilibrium model (ORANI). The interface exploits the existence of variables which are endogenous to both models,...