Main Article Content
Consumers of conventional cigarettes have begun to switch to using electronic cigarettes. Having different characteristics of these two kinds of cigarettes make the different health and economic effects to consumers. This study uses Ordinary Least Square (OLS) method to analyze the influence of electronic cigarette usage on conventional cigarette usage in Bandung in 2017. This study used 200 respondents of electronic cigarette users. This study uses the amount of conventional cigarette consumption after using electronic cigarette per day (Y) as the dependent variable. For independent variables, this study uses conventional cigarette consumption before using electronic cigarette per day (X1), total liquid of electronic cigarette consumption per month (X2), monthly electronic cigarette expenditure (X3), and respondent's perception whether using electronic cigarette more healthy (X4). Regression results showed that X1 and X4 have significant effect on Y. The increase of 1 stem of conventional ciga-rettes consumption before using electronic cigarette per day (X1) will increase the consumption of conventional cigarettes after using electronic cigarette per day (Y) of 0.1618005 stem. While with the respondent's perception that using electronic cigarette is healthier (X4) will reduce the consumption of conventional cigarettes (Y) as much as 5.169504 stems..