This paper develops a model of luxury goods by incorporating weakly non-separable, recursive preferences. In a two-good framework, a quasi-luxury is de ned as a good whose marginal rate of substitution is increasing in wealth. Under certain conditions, it is identical to a luxury good. Consumers...

This paper develops a model of luxury goods by incorporating weakly non-separable, recursive preferences. In a two-good framework, a quasi-luxury is de ned as a good whose marginal rate of substitution is increasing in wealth. Under certain conditions, it is identical to a luxury good. Consumers...