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This chapter reviews recent developments in the density discontinuity approach. It is well known that agents having perfect control of the forcing variable will invalidate the popular regression discontinuity designs (RDDs). To detect the manipulation of the forcing variable, McCrary (2008) developed a test based on the discontinuity in the density around the threshold. Recent papers have noted that the sorting patterns around the threshold are often either the researcher’s object of interest or may relate to structural parameters such as tax elasticities through known functions. This, in turn, implies that the behavior of the distribution around the threshold is not only informative of the validity of a standard RDD; it can also be used to recover policy-relevant parameters and perform counterfactual exercises.

The purpose of this study is to focus on analyzing the role of music subcultures in the communication and promotion of conspicuous consumption practices. The object of study is the “altered movement” as the music style of the drug subculture in Mexico.

A qualitative content analysis of 78 lyrics and music videos of “altered movement” was carried out between August and December 2018.

The analysis of lyrics and music videos leads to the identification of four narratives (from poor to rich, power through violence, lavish lifestyle and power over women) and diverse symbolic markers (luxury brands mainly) that together, display messages aimed at promoting conspicuous consumption practices.

The current research expands the body of literature of music subcultures in the consumer research area by contesting the common conception of this phenomenon as a healthy source of self-identity formation and deepening into its role as a source of conspicuous consumption practices.