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In this article we attempt to evaluate the impact of various information shocks on cigarette consumption. In contrast to the existing studies, we do not impose any break points a priori. We use recently developed techniques for sample splitting in the data on US cigarette demand, and find that using a time index as a transition variable can cluster cigarette demand into four distinct regimes. In the past four decades a myopic-to-rational switch in cigarette consumption behaviour was observed in response to various anti-smoking information events. In particular, we find strong evidence in support of the rational addiction model in the 1980s and 1990s. Moreover, in line with the theoretical prediction, our estimate of the long-run elasticity is twice as large as the short-run elasticity. Our empirical framework should improve policy makers' understanding of the dynamics of cigarette consumption in response to various anti-smoking campaigns, and stress the role of sound policy making in improving smoking control measures. [ABSTRACT FROM AUTHOR]

Recent estimates of the income elasticity of cigarette demand have pointed to a disturbing result: a nearly zero or sometimes negative income elasticity. In order to explore the nonlinearity embedded in the cigarette demand structure, we employ a four-regime panel model (dynamic fixed effect) to estimate the cigarette demand function in the United States. The results indicate that income elasticity is (i) positively significant for the income level less than 8,568 US$, (ii) positive but statistically insignificant for the income greater than 18,196 US$, and (iii) negatively significant for the income range between 8,568 and 18,196 US$. In addition, we find that the price elasticity assumes the greatest absolute value for the income level in excess of 18,196 US$, but becomes most inelastic for the income level between 11,129 and 18,196 US$. [ABSTRACT FROM AUTHOR]